22630625 has 10 divisors (see below), whose sum is σ = 28280010. Its totient is φ = 18104000.

The previous prime is 22630603. The next prime is 22630627. The reversal of 22630625 is 52603622.

It can be written as a sum of positive squares in 5 ways, for example, as 12902464 + 9728161 = 3592^2 + 3119^2 .

It is not a de Polignac number, because 22630625 - 2²⁰ = 21582049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22630594 and 22630603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630627) 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 9 ways as a sum of consecutive naturals, for example, 17480 + ... + 18729.

It is an arithmetic number, because the mean of its divisors is an integer number (2828001).

Almost surely, 2^22630625 is an apocalyptic number.

22630625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22630625 is a deficient number, since it is larger than the sum of its proper divisors (5649385).

22630625 is an frugal number, since it uses more digits than its factorization.

22630625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36229 (or 36214 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 22630625 is about 4757.1656477361. The cubic root of 22630625 is about 282.8560785181.

The spelling of 22630625 in words is "twenty-two million, six hundred thirty thousand, six hundred twenty-five".