22505632 has 12 divisors (see below), whose sum is σ = 44308026. Its totient is φ = 11252800.

The previous prime is 22505627. The next prime is 22505663. The reversal of 22505632 is 23650522.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 7420176 = 3884^2 + 2724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22505597 and 22505606.

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 as a sum of consecutive naturals, namely, 351619 + ... + 351682.

Almost surely, 2^22505632 is an apocalyptic number.

It is an amenable number.

22505632 is a deficient number, since it is larger than the sum of its proper divisors (21802394).

22505632 is an equidigital number, since it uses as much as digits as its factorization.

22505632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703311 (or 703303 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 22505632 is about 4744.0101180331. The cubic root of 22505632 is about 282.3343618766.

The spelling of 22505632 in words is "twenty-two million, five hundred five thousand, six hundred thirty-two".