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22202444404 = 2273125578853
BaseRepresentation
bin10100101011010111…
…100110101001110100
32010022022211000222201
4110223113212221310
5330432311210104
614111043234244
71414124443420
oct245327465164
963268730881
1022202444404
119463779108
124377678984
13212aa83a8a
1411089dbb80
1589e2bc0a4
hex52b5e6a74

22202444404 has 24 divisors (see below), whose sum is σ = 45837306368. Its totient is φ = 9208386720.

The previous prime is 22202444401. The next prime is 22202444441. The reversal of 22202444404 is 40444420222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202444401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12788559 + ... + 12790294.

Almost surely, 222202444404 is an apocalyptic number.

It is an amenable number.

22202444404 is an abundant number, since it is smaller than the sum of its proper divisors (23634861964).

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

22202444404 is a wasteful number, since it uses less digits than its factorization.

22202444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578895 (or 25578893 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22202444404 its reverse (40444420222), we get a palindrome (62646864626).

The spelling of 22202444404 in words is "twenty-two billion, two hundred two million, four hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 25578853 51157706 102315412 179051971 358103942 716207884 792944443 1585888886 3171777772 5550611101 11101222202 22202444404