222717225 has 24 divisors (see below), whose sum is σ = 368761120. Its totient is φ = 118609920.

The previous prime is 222717197. The next prime is 222717227. The reversal of 222717225 is 522717222.

It is not a de Polignac number, because 222717225 - 2¹³ = 222709033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222717192 and 222717201.

It is not an unprimeable number, because it can be changed into a prime (222717227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62697 + ... + 66153.

Almost surely, 2^222717225 is an apocalyptic number.

222717225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222717225 is a deficient number, since it is larger than the sum of its proper divisors (146043895).

222717225 is a wasteful number, since it uses less digits than its factorization.

222717225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4324 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 222717225 is about 14923.7135123936. The cubic root of 222717225 is about 606.1562706268.

The spelling of 222717225 in words is "two hundred twenty-two million, seven hundred seventeen thousand, two hundred twenty-five".