22046157 has 12 divisors (see below), whose sum is σ = 36393760. Its totient is φ = 12597768.

The previous prime is 22046147. The next prime is 22046159. The reversal of 22046157 is 75164022.

It is not a de Polignac number, because 22046157 - 2⁸ = 22045901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22046157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22046159) 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, 174907 + ... + 175032.

Almost surely, 2^22046157 is an apocalyptic number.

It is an amenable number.

22046157 is a deficient number, since it is larger than the sum of its proper divisors (14347603).

22046157 is a wasteful number, since it uses less digits than its factorization.

22046157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349952 (or 349949 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 22046157 is about 4695.3335344787. Note that the first 3 decimals coincide. The cubic root of 22046157 is about 280.3997563766.

The spelling of 22046157 in words is "twenty-two million, forty-six thousand, one hundred fifty-seven".