22394087072 has 48 divisors (see below), whose sum is σ = 50405483520. Its totient is φ = 9593887488.

The previous prime is 22394087047. The next prime is 22394087077. The reversal of 22394087072 is 27078049322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22394087077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634433 + ... + 668799.

It is an arithmetic number, because the mean of its divisors is an integer number (1050114240).

Almost surely, 2^22394087072 is an apocalyptic number.

It is an amenable number.

22394087072 is an abundant number, since it is smaller than the sum of its proper divisors (28011396448).

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

22394087072 is a wasteful number, since it uses less digits than its factorization.

22394087072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37293 (or 37285 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 22394087072 in words is "twenty-two billion, three hundred ninety-four million, eighty-seven thousand, seventy-two".