222487056 has 135 divisors (see below), whose sum is σ = 690515917. Its totient is φ = 66823680.

The previous prime is 222487039. The next prime is 222487079. The reversal of 222487056 is 650784222.

The square root of 222487056 is 14916.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 218566656 = 1980^2 + 14784^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222487056.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1968856 + ... + 1968968.

Almost surely, 2^222487056 is an apocalyptic number.

222487056 is the 14916-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222487056

222487056 is an abundant number, since it is smaller than the sum of its proper divisors (468028861).

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

222487056 is a wasteful number, since it uses less digits than its factorization.

222487056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The cubic root of 222487056 is about 605.9473862108.

Multiplying 222487056 by its sum of digits (36), we get a square (8009534016 = 89496²).

222487056 divided by its sum of digits (36) gives a square (6180196 = 2486²).

The spelling of 222487056 in words is "two hundred twenty-two million, four hundred eighty-seven thousand, fifty-six".