222262272 has 88 divisors (see below), whose sum is σ = 658315200. Its totient is φ = 74078208.

The previous prime is 222262253. The next prime is 222262273. The reversal of 222262272 is 272262222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222262273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23629 + ... + 31667.

Almost surely, 2^222262272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222262272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329157600).

222262272 is an abundant number, since it is smaller than the sum of its proper divisors (436052928).

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

222262272 is an equidigital number, since it uses as much as digits as its factorization.

222262272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068 (or 8044 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 222262272 is about 14908.4630998638. The cubic root of 222262272 is about 605.7432497296.

The spelling of 222262272 in words is "two hundred twenty-two million, two hundred sixty-two thousand, two hundred seventy-two".