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2022999990 = 235119763199
BaseRepresentation
bin111100010010100…
…1000011110110110
312012222122001021120
41320211020132312
513120341444430
6532423524410
7101063134104
oct17045103666
95188561246
102022999990
11948a26920
124855b9706
1326316b11b
14152964c74
15bc907610
hex789487b6

2022999990 has 64 divisors (see below), whose sum is σ = 5351270400. Its totient is φ = 485360640.

The previous prime is 2022999989. The next prime is 2023000019. The reversal of 2022999990 is 999992202.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411 + ... + 63609.

It is an arithmetic number, because the mean of its divisors is an integer number (83613600).

Almost surely, 22022999990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022999990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2675635200).

2022999990 is an abundant number, since it is smaller than the sum of its proper divisors (3328270410).

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

2022999990 is a wasteful number, since it uses less digits than its factorization.

2022999990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63317.

The product of its (nonzero) digits is 472392, while the sum is 51.

The square root of 2022999990 is about 44977.7721769320. The cubic root of 2022999990 is about 1264.7323487126.

The spelling of 2022999990 in words is "two billion, twenty-two million, nine hundred ninety-nine thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 97 110 165 194 291 330 485 582 970 1067 1455 2134 2910 3201 5335 6402 10670 16005 32010 63199 126398 189597 315995 379194 631990 695189 947985 1390378 1895970 2085567 3475945 4171134 6130303 6951890 10427835 12260606 18390909 20855670 30651515 36781818 61303030 67433333 91954545 134866666 183909090 202299999 337166665 404599998 674333330 1011499995 2022999990