22613158 has 4 divisors (see below), whose sum is σ = 33919740. Its totient is φ = 11306578.

The previous prime is 22613131. The next prime is 22613159. The reversal of 22613158 is 85131622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85131622 = 2 ⋅42565811.

It is a super-2 number, since 2×22613158² = 1022709829465928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22613159) 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 as a sum of consecutive naturals, namely, 5653288 + ... + 5653291.

It is an arithmetic number, because the mean of its divisors is an integer number (8479935).

Almost surely, 2^22613158 is an apocalyptic number.

22613158 is a deficient number, since it is larger than the sum of its proper divisors (11306582).

22613158 is a wasteful number, since it uses less digits than its factorization.

22613158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306581.

The product of its digits is 2880, while the sum is 28.

The square root of 22613158 is about 4755.3294312802. The cubic root of 22613158 is about 282.7832874988.

The spelling of 22613158 in words is "twenty-two million, six hundred thirteen thousand, one hundred fifty-eight".