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22198889022 = 2397109334897
BaseRepresentation
bin10100101011001010…
…000010101000111110
32010022002010101220220
4110223022002220332
5330430403422042
614110435122210
71414052305032
oct245312025076
963262111826
1022198889022
11946176a982
124376443366
13212a10a6bb
1411083541c2
1589dd188ec
hex52b282a3e

22198889022 has 32 divisors (see below), whose sum is σ = 44897812512. Its totient is φ = 7316434944.

The previous prime is 22198888981. The next prime is 22198889023. The reversal of 22198889022 is 22098889122.

It is a super-2 number, since 2×221988890222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198889023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618678 + ... + 653574.

It is an arithmetic number, because the mean of its divisors is an integer number (1403056641).

Almost surely, 222198889022 is an apocalyptic number.

22198889022 is an abundant number, since it is smaller than the sum of its proper divisors (22698923490).

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

22198889022 is a wasteful number, since it uses less digits than its factorization.

22198889022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36092.

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 22198889022 in words is "twenty-two billion, one hundred ninety-eight million, eight hundred eighty-nine thousand, twenty-two".

Divisors: 1 2 3 6 97 194 291 582 1093 2186 3279 6558 34897 69794 104691 106021 209382 212042 318063 636126 3385009 6770018 10155027 20310054 38142421 76284842 114427263 228854526 3699814837 7399629674 11099444511 22198889022