22208625 has 48 divisors (see below), whose sum is σ = 42182400. Its totient is φ = 11210400.

The previous prime is 22208623. The next prime is 22208629. The reversal of 22208625 is 52680222.

It is not a de Polignac number, because 22208625 - 2¹ = 22208623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22208623) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 20856 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (878800).

Almost surely, 2^22208625 is an apocalyptic number.

22208625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22208625 is a deficient number, since it is larger than the sum of its proper divisors (19973775).

22208625 is a wasteful number, since it uses less digits than its factorization.

22208625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22208625 is about 4712.6027840250. The cubic root of 22208625 is about 281.0868683611.

Adding to 22208625 its reverse (52680222), we get a palindrome (74888847).

It can be divided in two parts, 222086 and 25, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 22208625 in words is "twenty-two million, two hundred eight thousand, six hundred twenty-five".