222342331 has 4 divisors (see below), whose sum is σ = 222528664. Its totient is φ = 222156000.

The previous prime is 222342319. The next prime is 222342349. The reversal of 222342331 is 133243222.

222342331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222342331 - 2¹⁷ = 222211259 is a prime.

It is a super-2 number, since 2×222342331² = 98872224309027122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222342431) 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, 91365 + ... + 93766.

It is an arithmetic number, because the mean of its divisors is an integer number (55632166).

Almost surely, 2^222342331 is an apocalyptic number.

222342331 is a deficient number, since it is larger than the sum of its proper divisors (186333).

222342331 is a wasteful number, since it uses less digits than its factorization.

222342331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186332.

The product of its digits is 1728, while the sum is 22.

The square root of 222342331 is about 14911.1478766727. The cubic root of 222342331 is about 605.8159706895.

Adding to 222342331 its reverse (133243222), we get a palindrome (355585553).

The spelling of 222342331 in words is "two hundred twenty-two million, three hundred forty-two thousand, three hundred thirty-one".