22548673820 has 24 divisors (see below), whose sum is σ = 47697857424. Its totient is φ = 8953632896.

The previous prime is 22548673813. The next prime is 22548673913. The reversal of 22548673820 is 2837684522.

It is a congruent number.

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, 4111982 + ... + 4117461.

It is an arithmetic number, because the mean of its divisors is an integer number (1987410726).

Almost surely, 2^22548673820 is an apocalyptic number.

22548673820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22548673820 is an abundant number, since it is smaller than the sum of its proper divisors (25149183604).

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

22548673820 is a wasteful number, since it uses less digits than its factorization.

22548673820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229589 (or 8229587 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 22548673820 in words is "twenty-two billion, five hundred forty-eight million, six hundred seventy-three thousand, eight hundred twenty".