22277125 has 16 divisors (see below), whose sum is σ = 29942640. Its totient is φ = 16449600.

The previous prime is 22277081. The next prime is 22277137. The reversal of 22277125 is 52177222.

It can be written as a sum of positive squares in 8 ways, for example, as 7043716 + 15233409 = 2654^2 + 3903^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22277125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22277093 and 22277102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (1871415).

Almost surely, 2^22277125 is an apocalyptic number.

22277125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22277125 is a deficient number, since it is larger than the sum of its proper divisors (7665515).

22277125 is a wasteful number, since it uses less digits than its factorization.

22277125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737 (or 13727 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 22277125 is about 4719.8649345082. The cubic root of 22277125 is about 281.3755653316.

The spelling of 22277125 in words is "twenty-two million, two hundred seventy-seven thousand, one hundred twenty-five".