222531413 has 8 divisors (see below), whose sum is σ = 247913400. Its totient is φ = 198330048.

The previous prime is 222531389. The next prime is 222531433. The reversal of 222531413 is 314135222.

It can be written as a sum of positive squares in 4 ways, for example, as 48344209 + 174187204 = 6953^2 + 13198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222531413 - 2⁸ = 222531157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222531433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294758 + ... + 295511.

It is an arithmetic number, because the mean of its divisors is an integer number (30989175).

Almost surely, 2^222531413 is an apocalyptic number.

It is an amenable number.

222531413 is a deficient number, since it is larger than the sum of its proper divisors (25381987).

222531413 is a wasteful number, since it uses less digits than its factorization.

222531413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590311.

The product of its digits is 1440, while the sum is 23.

The square root of 222531413 is about 14917.4868191663. The cubic root of 222531413 is about 605.9876525566.

Adding to 222531413 its reverse (314135222), we get a palindrome (536666635).

The spelling of 222531413 in words is "two hundred twenty-two million, five hundred thirty-one thousand, four hundred thirteen".