222440866 has 32 divisors (see below), whose sum is σ = 369331200. Its totient is φ = 100005840.

The previous prime is 222440863. The next prime is 222440879. The reversal of 222440866 is 668044222.

It is not an unprimeable number, because it can be changed into a prime (222440863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120571 + ... + 122401.

It is an arithmetic number, because the mean of its divisors is an integer number (11541600).

Almost surely, 2^222440866 is an apocalyptic number.

222440866 is a deficient number, since it is larger than the sum of its proper divisors (146890334).

222440866 is a wasteful number, since it uses less digits than its factorization.

222440866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 222440866 is about 14914.4515822742. The cubic root of 222440866 is about 605.9054502178.

The spelling of 222440866 in words is "two hundred twenty-two million, four hundred forty thousand, eight hundred sixty-six".