22653198 has 12 divisors (see below), whose sum is σ = 49081968. Its totient is φ = 7551060.

The previous prime is 22653167. The next prime is 22653199. The reversal of 22653198 is 89135622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22653199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629238 + ... + 629273.

It is an arithmetic number, because the mean of its divisors is an integer number (4090164).

Almost surely, 2^22653198 is an apocalyptic number.

22653198 is an abundant number, since it is smaller than the sum of its proper divisors (26428770).

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

22653198 is a wasteful number, since it uses less digits than its factorization.

22653198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258519 (or 1258516 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22653198 is about 4759.5375825809. The cubic root of 22653198 is about 282.9500925449.

The spelling of 22653198 in words is "twenty-two million, six hundred fifty-three thousand, one hundred ninety-eight".