22391131425 has 96 divisors (see below), whose sum is σ = 40317086208. Its totient is φ = 10899947520.

The previous prime is 22391131421. The next prime is 22391131459. The reversal of 22391131425 is 52413119322.

It is not a de Polignac number, because 22391131425 - 2² = 22391131421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22391131421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48360744 + ... + 48361206.

It is an arithmetic number, because the mean of its divisors is an integer number (419969648).

Almost surely, 2^22391131425 is an apocalyptic number.

22391131425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22391131425 is a deficient number, since it is larger than the sum of its proper divisors (17925954783).

22391131425 is a wasteful number, since it uses less digits than its factorization.

22391131425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 934 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The spelling of 22391131425 in words is "twenty-two billion, three hundred ninety-one million, one hundred thirty-one thousand, four hundred twenty-five".