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22102102020222 = 2327175413508097
BaseRepresentation
bin1010000011010000010111…
…11100001001000001111110
32220020221101111021101112100
411001220023330021001332
510344110101104121342
6115001322051445530
74440552456255210
oct501501374110176
986227344241470
1022102102020222
1170514a3431914
12258b6512b68a6
13c442b09a2093
14565a66dc25b0
15284dd68b3e4c
hex141a0bf0907e

22102102020222 has 24 divisors (see below), whose sum is σ = 54729014526576. Its totient is φ = 6314886291456.

The previous prime is 22102102020139. The next prime is 22102102020227. The reversal of 22102102020222 is 22202020120122.

22102102020222 is a `hidden beast` number, since 2 + 210 + 210 + 2 + 0 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22102102020195 and 22102102020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102102020227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87706753923 + ... + 87706754174.

It is an arithmetic number, because the mean of its divisors is an integer number (2280375605274).

Almost surely, 222102102020222 is an apocalyptic number.

22102102020222 is an abundant number, since it is smaller than the sum of its proper divisors (32626912506354).

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

22102102020222 is a wasteful number, since it uses less digits than its factorization.

22102102020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175413508112 (or 175413508109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22102102020222 its reverse (22202020120122), we get a palindrome (44304122140344).

The spelling of 22102102020222 in words is "twenty-two trillion, one hundred two billion, one hundred two million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 175413508097 350827016194 526240524291 1052481048582 1227894556679 1578721572873 2455789113358 3157443145746 3683683670037 7367367340074 11051051010111 22102102020222