22751397318 has 32 divisors (see below), whose sum is σ = 50692773600. Its totient is φ = 6759035136.

The previous prime is 22751397311. The next prime is 22751397349. The reversal of 22751397318 is 81379315722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22751397311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5026783 + ... + 5031306.

It is an arithmetic number, because the mean of its divisors is an integer number (1584149175).

Almost surely, 2^22751397318 is an apocalyptic number.

22751397318 is an abundant number, since it is smaller than the sum of its proper divisors (27941376282).

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

22751397318 is a wasteful number, since it uses less digits than its factorization.

22751397318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058136.

The product of its digits is 635040, while the sum is 48.

The spelling of 22751397318 in words is "twenty-two billion, seven hundred fifty-one million, three hundred ninety-seven thousand, three hundred eighteen".