222226464 has 24 divisors (see below), whose sum is σ = 583344720. Its totient is φ = 74075456.

The previous prime is 222226429. The next prime is 222226493. The reversal of 222226464 is 464622222.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1157334 + ... + 1157525.

It is an arithmetic number, because the mean of its divisors is an integer number (24306030).

Almost surely, 2^222226464 is an apocalyptic number.

222226464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222226464 is an abundant number, since it is smaller than the sum of its proper divisors (361118256).

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

222226464 is a wasteful number, since it uses less digits than its factorization.

222226464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314872 (or 2314864 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 222226464 is about 14907.2621228715. The cubic root of 222226464 is about 605.7107181637.

Adding to 222226464 its reverse (464622222), we get a palindrome (686848686).

The spelling of 222226464 in words is "two hundred twenty-two million, two hundred twenty-six thousand, four hundred sixty-four".