22549959 has 24 divisors (see below), whose sum is σ = 34830432. Its totient is φ = 14023680.

The previous prime is 22549957. The next prime is 22549981. The reversal of 22549959 is 95994522.

It is not a de Polignac number, because 22549959 - 2¹ = 22549957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7159 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (1451268).

Almost surely, 2^22549959 is an apocalyptic number.

22549959 is a deficient number, since it is larger than the sum of its proper divisors (12280473).

22549959 is a wasteful number, since it uses less digits than its factorization.

22549959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2724 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 22549959 is about 4748.6797112461. The cubic root of 22549959 is about 282.5196018455.

The spelling of 22549959 in words is "twenty-two million, five hundred forty-nine thousand, nine hundred fifty-nine".