22024340400 has 60 divisors (see below), whose sum is σ = 70551307592. Its totient is φ = 5873157120.

The previous prime is 22024340339. The next prime is 22024340407. The reversal of 22024340400 is 404342022.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (22024340407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9175609 + ... + 9178008.

Almost surely, 2^22024340400 is an apocalyptic number.

22024340400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22024340400 is an abundant number, since it is smaller than the sum of its proper divisors (48526967192).

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

22024340400 is a wasteful number, since it uses less digits than its factorization.

22024340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353638 (or 18353627 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22024340400 its reverse (404342022), we get a palindrome (22428682422).

The spelling of 22024340400 in words is "twenty-two billion, twenty-four million, three hundred forty thousand, four hundred".