222645036 has 24 divisors (see below), whose sum is σ = 526623664. Its totient is φ = 73198080.

The previous prime is 222645001. The next prime is 222645043. The reversal of 222645036 is 630546222.

It is a junction number, because it is equal to n+sod(n) for n = 222644994 and 222645012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126205 + ... + 127956.

Almost surely, 2^222645036 is an apocalyptic number.

It is an amenable number.

222645036 is an abundant number, since it is smaller than the sum of its proper divisors (303978628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222645036 is a wasteful number, since it uses less digits than its factorization.

222645036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254241 (or 254239 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 222645036 is about 14921.2947159420. The cubic root of 222645036 is about 606.0907727088.

The spelling of 222645036 in words is "two hundred twenty-two million, six hundred forty-five thousand, thirty-six".