22192931420420 has 12 divisors (see below), whose sum is σ = 46605155982924. Its totient is φ = 8877172568160.

The previous prime is 22192931420383. The next prime is 22192931420437. The reversal of 22192931420420 is 2402413929122.

It can be written as a sum of positive squares in 2 ways, for example, as 13696394346496 + 8496537073924 = 3700864^2 + 2914882^2 .

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, 554823285491 + ... + 554823285530.

It is an arithmetic number, because the mean of its divisors is an integer number (3883762998577).

Almost surely, 2^{22192931420420} is an apocalyptic number.

22192931420420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22192931420420 is an abundant number, since it is smaller than the sum of its proper divisors (24412224562504).

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

22192931420420 is a wasteful number, since it uses less digits than its factorization.

22192931420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109646571030 (or 1109646571028 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 22192931420420 in words is "twenty-two trillion, one hundred ninety-two billion, nine hundred thirty-one million, four hundred twenty thousand, four hundred twenty".