222229864 has 32 divisors (see below), whose sum is σ = 437976000. Its totient is φ = 105507072.

The previous prime is 222229859. The next prime is 222229879. The reversal of 222229864 is 468922222.

It is a super-2 number, since 2×222229864² = 98772224906916992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21232 + ... + 29920.

It is an arithmetic number, because the mean of its divisors is an integer number (13686750).

Almost surely, 2^222229864 is an apocalyptic number.

It is an amenable number.

222229864 is a deficient number, since it is larger than the sum of its proper divisors (215746136).

222229864 is a wasteful number, since it uses less digits than its factorization.

222229864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8857 (or 8853 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 222229864 is about 14907.3761608138. The cubic root of 222229864 is about 605.7138072137.

The spelling of 222229864 in words is "two hundred twenty-two million, two hundred twenty-nine thousand, eight hundred sixty-four".