22402158 has 16 divisors (see below), whose sum is σ = 47440080. Its totient is φ = 7028096.

The previous prime is 22402091. The next prime is 22402169. The reversal of 22402158 is 85120422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109713 + ... + 109916.

It is an arithmetic number, because the mean of its divisors is an integer number (2965005).

Almost surely, 2^22402158 is an apocalyptic number.

22402158 is an abundant number, since it is smaller than the sum of its proper divisors (25037922).

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

22402158 is a wasteful number, since it uses less digits than its factorization.

22402158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219651.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 22402158 is about 4733.0918013493. The cubic root of 22402158 is about 281.9010014149.

The spelling of 22402158 in words is "twenty-two million, four hundred two thousand, one hundred fifty-eight".