222222331 has 8 divisors (see below), whose sum is σ = 230904720. Its totient is φ = 213607968.

The previous prime is 222222281. The next prime is 222222367. The reversal of 222222331 is 133222222.

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

It is not a de Polignac number, because 222222331 - 2⁹ = 222221819 is a prime.

It is a super-2 number, since 2×222222331² = 98765528790147122, 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 = 222222299 and 222222308.

It is not an unprimeable number, because it can be changed into a prime (222222031) 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, 10296 + ... + 23461.

It is an arithmetic number, because the mean of its divisors is an integer number (28863090).

Almost surely, 2^222222331 is an apocalyptic number.

222222331 is a deficient number, since it is larger than the sum of its proper divisors (8682389).

222222331 is a wasteful number, since it uses less digits than its factorization.

222222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34013.

The product of its digits is 576, while the sum is 19.

The square root of 222222331 is about 14907.1234985157. The cubic root of 222222331 is about 605.7069631085.

Adding to 222222331 its reverse (133222222), we get a palindrome (355444553).

The spelling of 222222331 in words is "two hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty-one".