22545522 has 24 divisors (see below), whose sum is σ = 49205520. Its totient is φ = 7460280.

The previous prime is 22545521. The next prime is 22545529. The reversal of 22545522 is 22554522.

It is not an unprimeable number, because it can be changed into a prime (22545521) 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, 2004 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (2050230).

Almost surely, 2^22545522 is an apocalyptic number.

22545522 is an abundant number, since it is smaller than the sum of its proper divisors (26659998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22545522 is a wasteful number, since it uses less digits than its factorization.

22545522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158 (or 9155 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22545522 is about 4748.2125057752. The cubic root of 22545522 is about 282.5010708185.

It can be divided in two parts, 2254 and 5522, that added together give a 5-th power (7776 = 6⁵).

The spelling of 22545522 in words is "twenty-two million, five hundred forty-five thousand, five hundred twenty-two".