222256224 has 120 divisors (see below), whose sum is σ = 688204440. Its totient is φ = 70170624.

The previous prime is 222256211. The next prime is 222256241. The reversal of 222256224 is 422652222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46992 + ... + 51504.

It is an arithmetic number, because the mean of its divisors is an integer number (5735037).

Almost surely, 2^222256224 is an apocalyptic number.

222256224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222256224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344102220).

222256224 is an abundant number, since it is smaller than the sum of its proper divisors (465948216).

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

222256224 is a wasteful number, since it uses less digits than its factorization.

222256224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554 (or 4537 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 222256224 is about 14908.2602606743. The cubic root of 222256224 is about 605.7377553672.

The spelling of 222256224 in words is "two hundred twenty-two million, two hundred fifty-six thousand, two hundred twenty-four".