22529949 has 16 divisors (see below), whose sum is σ = 33758592. Its totient is φ = 13261248.

The previous prime is 22529921. The next prime is 22529957. The reversal of 22529949 is 94992522.

It is not a de Polignac number, because 22529949 - 2⁷ = 22529821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22529949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22529909) 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, 11662 + ... + 13455.

It is an arithmetic number, because the mean of its divisors is an integer number (2109912).

Almost surely, 2^22529949 is an apocalyptic number.

It is an amenable number.

22529949 is a deficient number, since it is larger than the sum of its proper divisors (11228643).

22529949 is a wasteful number, since it uses less digits than its factorization.

22529949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156.

The product of its digits is 116640, while the sum is 42.

The square root of 22529949 is about 4746.5723422276. The cubic root of 22529949 is about 282.4360112987.

The spelling of 22529949 in words is "twenty-two million, five hundred twenty-nine thousand, nine hundred forty-nine".