22532508 has 36 divisors (see below), whose sum is σ = 57651048. Its totient is φ = 7419360.

The previous prime is 22532501. The next prime is 22532533. The reversal of 22532508 is 80523522.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532501) 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, 783 + ... + 6758.

It is an arithmetic number, because the mean of its divisors is an integer number (1601418).

Almost surely, 2^22532508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22532508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28825524).

22532508 is an abundant number, since it is smaller than the sum of its proper divisors (35118540).

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

22532508 is a wasteful number, since it uses less digits than its factorization.

22532508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634 (or 7629 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 22532508 is about 4746.8418975146. The cubic root of 22532508 is about 282.4467041235.

It can be divided in two parts, 2253 and 2508, that added together give a square (4761 = 69²).

The spelling of 22532508 in words is "twenty-two million, five hundred thirty-two thousand, five hundred eight".