222040965 has 32 divisors (see below), whose sum is σ = 383512320. Its totient is φ = 109362176.

The previous prime is 222040937. The next prime is 222040979. The reversal of 222040965 is 569040222.

It is a cyclic number.

It is not a de Polignac number, because 222040965 - 2⁵ = 222040933 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1092 + ... + 21101.

It is an arithmetic number, because the mean of its divisors is an integer number (11984760).

Almost surely, 2^222040965 is an apocalyptic number.

It is an amenable number.

222040965 is a deficient number, since it is larger than the sum of its proper divisors (161471355).

222040965 is a wasteful number, since it uses less digits than its factorization.

222040965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22253.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 222040965 is about 14901.0390577302. The cubic root of 222040965 is about 605.5421363665.

The spelling of 222040965 in words is "two hundred twenty-two million, forty thousand, nine hundred sixty-five".