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2221200396 = 2232196534973
BaseRepresentation
bin1000010001100100…
…1101010000001100
312201210120200010100
42010121031100030
514022111403041
61004224011100
7106020614622
oct20431152014
95653520110
102221200396
11a3a89a808
1251ba60a90
1329524527c
14170dd9512
15d00086b6
hex8464d40c

2221200396 has 72 divisors (see below), whose sum is σ = 5920452720. Its totient is φ = 700216704.

The previous prime is 2221200349. The next prime is 2221200463. The reversal of 2221200396 is 6930021222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444166 + ... + 449138.

It is an arithmetic number, because the mean of its divisors is an integer number (82228510).

Almost surely, 22221200396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221200396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2960226360).

2221200396 is an abundant number, since it is smaller than the sum of its proper divisors (3699252324).

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

2221200396 is a wasteful number, since it uses less digits than its factorization.

2221200396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655 (or 5650 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2221200396 is about 47129.6127291536. The cubic root of 2221200396 is about 1304.7558340040.

The spelling of 2221200396 in words is "two billion, two hundred twenty-one million, two hundred thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 653 684 1306 1959 2612 3918 4973 5877 7836 9946 11754 12407 14919 19892 23508 24814 29838 37221 44757 49628 59676 74442 89514 94487 111663 148884 179028 188974 223326 283461 377948 446652 566922 850383 1133844 1700766 3247369 3401532 6494738 9742107 12989476 19484214 29226321 38968428 58452642 61700011 116905284 123400022 185100033 246800044 370200066 555300099 740400132 1110600198 2221200396