22202825 has 12 divisors (see below), whose sum is σ = 27616908. Its totient is φ = 17707200.

The previous prime is 22202819. The next prime is 22202827. The reversal of 22202825 is 52820222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5071504 + 17131321 = 2252^2 + 4139^2 .

It is not a de Polignac number, because 22202825 - 2⁴ = 22202809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22202825.

It is not an unprimeable number, because it can be changed into a prime (22202827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8135 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (2301409).

Almost surely, 2^22202825 is an apocalyptic number.

22202825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22202825 is a deficient number, since it is larger than the sum of its proper divisors (5414083).

22202825 is a wasteful number, since it uses less digits than its factorization.

22202825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22202825 is about 4711.9873726486. The cubic root of 22202825 is about 281.0623967008.

The spelling of 22202825 in words is "twenty-two million, two hundred two thousand, eight hundred twenty-five".