222242331 has 8 divisors (see below), whose sum is σ = 296717584. Its totient is φ = 147964320.

The previous prime is 222242329. The next prime is 222242357. The reversal of 222242331 is 133242222.

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

It is not a de Polignac number, because 222242331 - 2¹ = 222242329 is a prime.

It is a super-2 number, since 2×222242331² = 98783307376627122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222242298 and 222242307.

It is not an unprimeable number, because it can be changed into a prime (222242311) 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, 46660 + ... + 51201.

It is an arithmetic number, because the mean of its divisors is an integer number (37089698).

Almost surely, 2^222242331 is an apocalyptic number.

222242331 is a deficient number, since it is larger than the sum of its proper divisors (74475253).

222242331 is an equidigital number, since it uses as much as digits as its factorization.

222242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98621.

The product of its digits is 1152, while the sum is 21.

The square root of 222242331 is about 14907.7943036520. The cubic root of 222242331 is about 605.7251337634.

Adding to 222242331 its reverse (133242222), we get a palindrome (355484553).

The spelling of 222242331 in words is "two hundred twenty-two million, two hundred forty-two thousand, three hundred thirty-one".