22632522 has 32 divisors (see below), whose sum is σ = 49947840. Its totient is φ = 6779520.

The previous prime is 22632503. The next prime is 22632541. The reversal of 22632522 is 22523622.

It is an interprime number because it is at equal distance from previous prime (22632503) and next prime (22632541).

It is a junction number, because it is equal to n+sod(n) for n = 22632492 and 22632501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3948 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (1560870).

Almost surely, 2^22632522 is an apocalyptic number.

22632522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22632522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24973920).

22632522 is an abundant number, since it is smaller than the sum of its proper divisors (27315318).

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

22632522 is a wasteful number, since it uses less digits than its factorization.

22632522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958.

The product of its digits is 2880, while the sum is 24.

The square root of 22632522 is about 4757.3650269871. The cubic root of 22632522 is about 282.8639817170.

Subtracting from 22632522 its reverse (22523622), we obtain a square (108900 = 330²).

The spelling of 22632522 in words is "twenty-two million, six hundred thirty-two thousand, five hundred twenty-two".