22641157 has 12 divisors (see below), whose sum is σ = 28442848. Its totient is φ = 17641800.

The previous prime is 22641133. The next prime is 22641181. The reversal of 22641157 is 75114622.

It is an interprime number because it is at equal distance from previous prime (22641133) and next prime (22641181).

It is not a de Polignac number, because 22641157 - 2¹⁵ = 22608389 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641107) 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, 12519 + ... + 14212.

Almost surely, 2^22641157 is an apocalyptic number.

It is an amenable number.

22641157 is a deficient number, since it is larger than the sum of its proper divisors (5801691).

22641157 is a wasteful number, since it uses less digits than its factorization.

22641157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26760 (or 26749 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 22641157 is about 4758.2724806383. The cubic root of 22641157 is about 282.8999508991.

Adding to 22641157 its reverse (75114622), we get a palindrome (97755779).

The spelling of 22641157 in words is "twenty-two million, six hundred forty-one thousand, one hundred fifty-seven".