227218864 has 20 divisors (see below), whose sum is σ = 442877904. Its totient is φ = 112927808.

The previous prime is 227218847. The next prime is 227218883. The reversal of 227218864 is 468812722.

It is a plaindrome in base 14.

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 3 ways as a sum of consecutive naturals, for example, 39847 + ... + 45190.

Almost surely, 2^227218864 is an apocalyptic number.

It is an amenable number.

227218864 is a deficient number, since it is larger than the sum of its proper divisors (215659040).

227218864 is a wasteful number, since it uses less digits than its factorization.

227218864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85212 (or 85206 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 227218864 is about 15073.7806803735. The cubic root of 227218864 is about 610.2130081150.

The spelling of 227218864 in words is "two hundred twenty-seven million, two hundred eighteen thousand, eight hundred sixty-four".