22981898375 has 16 divisors (see below), whose sum is σ = 30368553696. Its totient is φ = 17304016000.

The previous prime is 22981898347. The next prime is 22981898383. The reversal of 22981898375 is 57389818922.

It is a happy number.

It is not a de Polignac number, because 22981898375 - 2¹² = 22981894279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5405381 + ... + 5409630.

It is an arithmetic number, because the mean of its divisors is an integer number (1898034606).

Almost surely, 2^22981898375 is an apocalyptic number.

22981898375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22981898375 is a deficient number, since it is larger than the sum of its proper divisors (7386655321).

22981898375 is a wasteful number, since it uses less digits than its factorization.

22981898375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815043 (or 10815033 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The spelling of 22981898375 in words is "twenty-two billion, nine hundred eighty-one million, eight hundred ninety-eight thousand, three hundred seventy-five".