222231242 has 16 divisors (see below), whose sum is σ = 355078080. Its totient is φ = 103950528.

The previous prime is 222231227. The next prime is 222231253. The reversal of 222231242 is 242132222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13892 + ... + 25247.

It is an arithmetic number, because the mean of its divisors is an integer number (22192380).

Almost surely, 2^222231242 is an apocalyptic number.

222231242 is a deficient number, since it is larger than the sum of its proper divisors (132846838).

222231242 is a wasteful number, since it uses less digits than its factorization.

222231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39325.

The product of its digits is 768, while the sum is 20.

The square root of 222231242 is about 14907.4223794726. The cubic root of 222231242 is about 605.7150591785.

Adding to 222231242 its reverse (242132222), we get a palindrome (464363464).

The spelling of 222231242 in words is "two hundred twenty-two million, two hundred thirty-one thousand, two hundred forty-two".