22343400520 has 32 divisors (see below), whose sum is σ = 57454459200. Its totient is φ = 7660594368.

The previous prime is 22343400517. The next prime is 22343400533. The reversal of 22343400520 is 2500434322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39898650 + ... + 39899209.

It is an arithmetic number, because the mean of its divisors is an integer number (1795451850).

Almost surely, 2^22343400520 is an apocalyptic number.

22343400520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22343400520 is an abundant number, since it is smaller than the sum of its proper divisors (35111058680).

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

22343400520 is a wasteful number, since it uses less digits than its factorization.

22343400520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79797877 (or 79797873 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 22343400520 its reverse (2500434322), we get a palindrome (24843834842).

The spelling of 22343400520 in words is "twenty-two billion, three hundred forty-three million, four hundred thousand, five hundred twenty".