22220158 has 16 divisors (see below), whose sum is σ = 35176320. Its totient is φ = 10497816.

The previous prime is 22220153. The next prime is 22220161. The reversal of 22220158 is 85102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27841 + ... + 28627.

It is an arithmetic number, because the mean of its divisors is an integer number (2198520).

Almost surely, 2^22220158 is an apocalyptic number.

22220158 is a deficient number, since it is larger than the sum of its proper divisors (12956162).

22220158 is a wasteful number, since it uses less digits than its factorization.

22220158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 22220158 is about 4713.8262589960. The cubic root of 22220158 is about 281.1355163354.

The spelling of 22220158 in words is "twenty-two million, two hundred twenty thousand, one hundred fifty-eight".