22098957 has 24 divisors (see below), whose sum is σ = 32192160. Its totient is φ = 13446720.

The previous prime is 22098941. The next prime is 22098961. The reversal of 22098957 is 75989022.

It is not a de Polignac number, because 22098957 - 2⁴ = 22098941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22098157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47707 + ... + 48167.

It is an arithmetic number, because the mean of its divisors is an integer number (1341340).

Almost surely, 2^22098957 is an apocalyptic number.

It is an amenable number.

22098957 is a deficient number, since it is larger than the sum of its proper divisors (10093203).

22098957 is a wasteful number, since it uses less digits than its factorization.

22098957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 22098957 is about 4700.9527757679. The cubic root of 22098957 is about 280.6234280661.

It can be divided in two parts, 2 and 2098957, that multiplied together give a palindrome (4197914).

The spelling of 22098957 in words is "twenty-two million, ninety-eight thousand, nine hundred fifty-seven".