22020625 has 20 divisors (see below), whose sum is σ = 30027888. Its totient is φ = 16010000.

The previous prime is 22020623. The next prime is 22020631. The reversal of 22020625 is 52602022.

It is not a de Polignac number, because 22020625 - 2¹ = 22020623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22020623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5274 + ... + 8476.

Almost surely, 2^22020625 is an apocalyptic number.

22020625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22020625 is a deficient number, since it is larger than the sum of its proper divisors (8007263).

22020625 is an equidigital number, since it uses as much as digits as its factorization.

22020625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234 (or 3219 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22020625 is about 4692.6138771478. The cubic root of 22020625 is about 280.2914694452.

Adding to 22020625 its reverse (52602022), we get a palindrome (74622647).

The spelling of 22020625 in words is "twenty-two million, twenty thousand, six hundred twenty-five".