222274317 has 4 divisors (see below), whose sum is σ = 296365760. Its totient is φ = 148182876.

The previous prime is 222274313. The next prime is 222274361. The reversal of 222274317 is 713472222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222274317 - 2² = 222274313 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 (222274313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37045717 + ... + 37045722.

It is an arithmetic number, because the mean of its divisors is an integer number (74091440).

Almost surely, 2^222274317 is an apocalyptic number.

It is an amenable number.

222274317 is a deficient number, since it is larger than the sum of its proper divisors (74091443).

222274317 is an equidigital number, since it uses as much as digits as its factorization.

222274317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74091442.

The product of its digits is 9408, while the sum is 30.

The square root of 222274317 is about 14908.8670595723. The cubic root of 222274317 is about 605.7541918260.

The spelling of 222274317 in words is "two hundred twenty-two million, two hundred seventy-four thousand, three hundred seventeen".