22400429688 has 128 divisors (see below), whose sum is σ = 76582732800. Its totient is φ = 5907800448.

The previous prime is 22400429671. The next prime is 22400429693. The reversal of 22400429688 is 88692400422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550156 + ... + 589467.

It is an arithmetic number, because the mean of its divisors is an integer number (598302600).

Almost surely, 2^22400429688 is an apocalyptic number.

22400429688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22400429688 is an abundant number, since it is smaller than the sum of its proper divisors (54182303112).

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

22400429688 is a wasteful number, since it uses less digits than its factorization.

22400429688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139658 (or 1139648 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 22400429688 in words is "twenty-two billion, four hundred million, four hundred twenty-nine thousand, six hundred eighty-eight".