22207158 has 24 divisors (see below), whose sum is σ = 49290696. Its totient is φ = 7221600.

The previous prime is 22207153. The next prime is 22207189. The reversal of 22207158 is 85170222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22207153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14308 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (2053779).

Almost surely, 2^22207158 is an apocalyptic number.

22207158 is an abundant number, since it is smaller than the sum of its proper divisors (27083538).

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

22207158 is a wasteful number, since it uses less digits than its factorization.

22207158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30140 (or 30137 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 22207158 is about 4712.4471349820. The cubic root of 22207158 is about 281.0806791213.

The spelling of 22207158 in words is "twenty-two million, two hundred seven thousand, one hundred fifty-eight".