222531412 has 6 divisors (see below), whose sum is σ = 389429978. Its totient is φ = 111265704.

The previous prime is 222531389. The next prime is 222531433. The reversal of 222531412 is 214135222.

It is a happy number.

222531412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 137264656 + 85266756 = 11716^2 + 9234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27816423 + ... + 27816430.

Almost surely, 2^222531412 is an apocalyptic number.

It is an amenable number.

222531412 is a deficient number, since it is larger than the sum of its proper divisors (166898566).

222531412 is a wasteful number, since it uses less digits than its factorization.

222531412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55632857 (or 55632855 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 222531412 is about 14917.4867856486. The cubic root of 222531412 is about 605.9876516489.

Adding to 222531412 its reverse (214135222), we get a palindrome (436666634).

The spelling of 222531412 in words is "two hundred twenty-two million, five hundred thirty-one thousand, four hundred twelve".