222231316 has 24 divisors (see below), whose sum is σ = 399133224. Its totient is φ = 108203520.

The previous prime is 222231311. The next prime is 222231329. The reversal of 222231316 is 613132222.

It can be written as a sum of positive squares in 4 ways, for example, as 44275716 + 177955600 = 6654^2 + 13340^2 .

It is a super-2 number, since 2×222231316² = 98773515622183712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125896 + ... + 127648.

It is an arithmetic number, because the mean of its divisors is an integer number (16630551).

Almost surely, 2^222231316 is an apocalyptic number.

It is an amenable number.

222231316 is a deficient number, since it is larger than the sum of its proper divisors (176901908).

222231316 is a wasteful number, since it uses less digits than its factorization.

222231316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2569 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 222231316 is about 14907.4248614575. The cubic root of 222231316 is about 605.7151264101.

Adding to 222231316 its reverse (613132222), we get a palindrome (835363538).

The spelling of 222231316 in words is "two hundred twenty-two million, two hundred thirty-one thousand, three hundred sixteen".