22445323400 has 24 divisors (see below), whose sum is σ = 52185377370. Its totient is φ = 8978129280.

The previous prime is 22445323399. The next prime is 22445323427. The reversal of 22445323400 is 432354422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20173657156 + 2271666244 = 142034^2 + 47662^2 .

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, 56113109 + ... + 56113508.

Almost surely, 2^22445323400 is an apocalyptic number.

22445323400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22445323400 is an abundant number, since it is smaller than the sum of its proper divisors (29740053970).

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

22445323400 is a wasteful number, since it uses less digits than its factorization.

22445323400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112226633 (or 112226624 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 22445323400 its reverse (432354422), we get a palindrome (22877677822).

The spelling of 22445323400 in words is "twenty-two billion, four hundred forty-five million, three hundred twenty-three thousand, four hundred".