22444625 has 32 divisors (see below), whose sum is σ = 32438016. Its totient is φ = 15187200.

The previous prime is 22444577. The next prime is 22444661. The reversal of 22444625 is 52644422.

It is not a de Polignac number, because 22444625 - 2⁶ = 22444561 is a prime.

It is a super-2 number, since 2×22444625² = 1007522382781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98762 + ... + 98988.

It is an arithmetic number, because the mean of its divisors is an integer number (1013688).

Almost surely, 2^22444625 is an apocalyptic number.

22444625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22444625 is a deficient number, since it is larger than the sum of its proper divisors (9993391).

22444625 is a wasteful number, since it uses less digits than its factorization.

22444625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 352 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 22444625 is about 4737.5758569125. The cubic root of 22444625 is about 282.0790189841.

The spelling of 22444625 in words is "twenty-two million, four hundred forty-four thousand, six hundred twenty-five".