222170456 has 16 divisors (see below), whose sum is σ = 416809800. Its totient is φ = 111021184.

The previous prime is 222170447. The next prime is 222170461. The reversal of 222170456 is 654071222.

It is a happy number.

222170456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8816 + ... + 22848.

Almost surely, 2^222170456 is an apocalyptic number.

It is an amenable number.

222170456 is a deficient number, since it is larger than the sum of its proper divisors (194639344).

222170456 is a wasteful number, since it uses less digits than its factorization.

222170456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16018 (or 16014 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 222170456 is about 14905.3834569930. The cubic root of 222170456 is about 605.6598278906.

The spelling of 222170456 in words is "two hundred twenty-two million, one hundred seventy thousand, four hundred fifty-six".