22400400124 has 12 divisors (see below), whose sum is σ = 39208848448. Its totient is φ = 11197872000.

The previous prime is 22400400119. The next prime is 22400400133. The reversal of 22400400124 is 42100400422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560277 + ... + 598924.

Almost surely, 2^22400400124 is an apocalyptic number.

It is an amenable number.

22400400124 is a deficient number, since it is larger than the sum of its proper divisors (16808448324).

22400400124 is a wasteful number, since it uses less digits than its factorization.

22400400124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164036 (or 1164034 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22400400124 its reverse (42100400422), we get a palindrome (64500800546).

The spelling of 22400400124 in words is "twenty-two billion, four hundred million, four hundred thousand, one hundred twenty-four".