22434120400 has 30 divisors (see below), whose sum is σ = 53897975222. Its totient is φ = 8973648000.

The previous prime is 22434120389. The next prime is 22434120413. The reversal of 22434120400 is 402143422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 333135504 + 22100984896 = 18252^2 + 148664^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28042251 + ... + 28043050.

Almost surely, 2^22434120400 is an apocalyptic number.

22434120400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22434120400 is an abundant number, since it is smaller than the sum of its proper divisors (31463854822).

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

22434120400 is a wasteful number, since it uses less digits than its factorization.

22434120400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56085319 (or 56085308 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22434120400 its reverse (402143422), we get a palindrome (22836263822).

The spelling of 22434120400 in words is "twenty-two billion, four hundred thirty-four million, one hundred twenty thousand, four hundred".