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22214455432 = 2313977218629
BaseRepresentation
bin10100101100000101…
…011011000010001000
32010100011102021000121
4110230011123002020
5330443400033212
614112152513024
71414331520121
oct245405330210
963304367017
1022214455432
11946a532184
12437b6ab774
1321303caab0
14110a447048
158a0390d07
hex52c15b088

22214455432 has 32 divisors (see below), whose sum is σ = 44902229400. Its totient is φ = 10242284544.

The previous prime is 22214455429. The next prime is 22214455433. The reversal of 22214455432 is 23455441222.

It can be written as a sum of positive squares in 4 ways, for example, as 21285059236 + 929396196 = 145894^2 + 30486^2 .

It is not an unprimeable number, because it can be changed into a prime (22214455433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7707 + ... + 210922.

Almost surely, 222214455432 is an apocalyptic number.

It is an amenable number.

22214455432 is an abundant number, since it is smaller than the sum of its proper divisors (22687773968).

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

22214455432 is a wasteful number, since it uses less digits than its factorization.

22214455432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219625 (or 219621 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

Adding to 22214455432 its reverse (23455441222), we get a palindrome (45669896654).

The spelling of 22214455432 in words is "twenty-two billion, two hundred fourteen million, four hundred fifty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 977 1954 3908 7816 12701 25402 50804 101608 218629 437258 874516 1749032 2842177 5684354 11368708 22737416 213600533 427201066 854402132 1708804264 2776806929 5553613858 11107227716 22214455432