222685025 has 12 divisors (see below), whose sum is σ = 276766512. Its totient is φ = 177737040.

The previous prime is 222685007. The next prime is 222685027. The reversal of 222685025 is 520586222.

It is not a de Polignac number, because 222685025 - 2¹⁰ = 222684001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222684982 and 222685000.

It is not an unprimeable number, because it can be changed into a prime (222685027) 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, 1022 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (23063876).

Almost surely, 2^222685025 is an apocalyptic number.

222685025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222685025 is a deficient number, since it is larger than the sum of its proper divisors (54081487).

222685025 is a wasteful number, since it uses less digits than its factorization.

222685025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20560 (or 20555 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 222685025 is about 14922.6346534384. The cubic root of 222685025 is about 606.1270569417.

The spelling of 222685025 in words is "two hundred twenty-two million, six hundred eighty-five thousand, twenty-five".