222217080 has 32 divisors (see below), whose sum is σ = 666651600. Its totient is φ = 59257856.

The previous prime is 222217043. The next prime is 222217087. The reversal of 222217080 is 80712222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222217080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222217087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925785 + ... + 926024.

Almost surely, 2^222217080 is an apocalyptic number.

222217080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222217080 is an abundant number, since it is smaller than the sum of its proper divisors (444434520).

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

222217080 is a wasteful number, since it uses less digits than its factorization.

222217080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851823 (or 1851819 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 222217080 is about 14906.9473736242. The cubic root of 222217080 is about 605.7021922224.

The spelling of 222217080 in words is "two hundred twenty-two million, two hundred seventeen thousand, eighty".