22397298 has 32 divisors (see below), whose sum is σ = 55848960. Its totient is φ = 5817360.

The previous prime is 22397273. The next prime is 22397311. The reversal of 22397298 is 89279322.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23778 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (1745280).

Almost surely, 2^22397298 is an apocalyptic number.

22397298 is an abundant number, since it is smaller than the sum of its proper divisors (33451662).

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

22397298 is a wasteful number, since it uses less digits than its factorization.

22397298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48502.

The product of its digits is 108864, while the sum is 42.

The square root of 22397298 is about 4732.5783670215. The cubic root of 22397298 is about 281.8806144214.

The spelling of 22397298 in words is "twenty-two million, three hundred ninety-seven thousand, two hundred ninety-eight".