22534149 has 16 divisors (see below), whose sum is σ = 32891904. Its totient is φ = 13609200.

The previous prime is 22534139. The next prime is 22534153. The reversal of 22534149 is 94143522.

It is not a de Polignac number, because 22534149 - 2⁸ = 22533893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9892 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (2055744).

Almost surely, 2^22534149 is an apocalyptic number.

It is an amenable number.

22534149 is a deficient number, since it is larger than the sum of its proper divisors (10357755).

22534149 is a wasteful number, since it uses less digits than its factorization.

22534149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its digits is 8640, while the sum is 30.

The square root of 22534149 is about 4747.0147461326. The cubic root of 22534149 is about 282.4535606437.

The spelling of 22534149 in words is "twenty-two million, five hundred thirty-four thousand, one hundred forty-nine".