22200125 has 8 divisors (see below), whose sum is σ = 27705912. Its totient is φ = 17760000.

The previous prime is 22200119. The next prime is 22200131. The reversal of 22200125 is 52100222.

It is an interprime number because it is at equal distance from previous prime (22200119) and next prime (22200131).

It can be written as a sum of positive squares in 4 ways, for example, as 4239481 + 17960644 = 2059^2 + 4238^2 .

It is not a de Polignac number, because 22200125 - 2²² = 18005821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88676 + ... + 88925.

It is an arithmetic number, because the mean of its divisors is an integer number (3463239).

Almost surely, 2^22200125 is an apocalyptic number.

22200125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22200125 is a deficient number, since it is larger than the sum of its proper divisors (5505787).

22200125 is an equidigital number, since it uses as much as digits as its factorization.

22200125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177616 (or 177606 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22200125 is about 4711.7008606235. The cubic root of 22200125 is about 281.0510032672.

Adding to 22200125 its reverse (52100222), we get a palindrome (74300347).

The spelling of 22200125 in words is "twenty-two million, two hundred thousand, one hundred twenty-five".