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2212322994 = 232747397941
BaseRepresentation
bin1000001111011101…
…0101111010110010
312201011212122121200
42003313111322302
514012323313434
61003305432030
7105552302160
oct20367257262
95634778550
102212322994
11a35887012
12518a9b616
1329345767b
1416db68230
15ce353199
hex83dd5eb2

2212322994 has 96 divisors (see below), whose sum is σ = 5614742016. Its totient is φ = 616429440.

The previous prime is 2212322963. The next prime is 2212323017. The reversal of 2212322994 is 4992232122.

It is a happy number.

It is a super-2 number, since 2×22123229942 = 9788746059562248072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2350564 + ... + 2351504.

It is an arithmetic number, because the mean of its divisors is an integer number (58486896).

Almost surely, 22212322994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212322994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2807371008).

2212322994 is an abundant number, since it is smaller than the sum of its proper divisors (3402419022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212322994 is a wasteful number, since it uses less digits than its factorization.

2212322994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1397 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2212322994 is about 47035.3377153816. The cubic root of 2212322994 is about 1303.0152875631.

The spelling of 2212322994 in words is "two billion, two hundred twelve million, three hundred twenty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 47 63 94 126 141 282 329 397 423 658 794 846 941 987 1191 1882 1974 2382 2779 2823 2961 3573 5558 5646 5922 6587 7146 8337 8469 13174 16674 16938 18659 19761 25011 37318 39522 44227 50022 55977 59283 88454 111954 118566 130613 132681 167931 261226 265362 309589 335862 373577 391839 398043 619178 747154 783678 796086 928767 1120731 1175517 1857534 2241462 2351034 2615039 2786301 3362193 5230078 5572602 6724386 7845117 15690234 17558119 23535351 35116238 47070702 52674357 105348714 122906833 158023071 245813666 316046142 368720499 737440998 1106161497 2212322994