22422158 has 16 divisors (see below), whose sum is σ = 36851760. Its totient is φ = 10147200.

The previous prime is 22422157. The next prime is 22422187. The reversal of 22422158 is 85122422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (2303235).

Almost surely, 2^22422158 is an apocalyptic number.

22422158 is a deficient number, since it is larger than the sum of its proper divisors (14429602).

22422158 is a wasteful number, since it uses less digits than its factorization.

22422158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483.

The product of its digits is 2560, while the sum is 26.

The square root of 22422158 is about 4735.2041138688. The cubic root of 22422158 is about 281.9848674877.

The spelling of 22422158 in words is "twenty-two million, four hundred twenty-two thousand, one hundred fifty-eight".