222222233 has 4 divisors (see below), whose sum is σ = 233918160. Its totient is φ = 210526308.

The previous prime is 222222227. The next prime is 222222241. The reversal of 222222233 is 332222222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332222222 = 2 ⋅166111111.

It is not a de Polignac number, because 222222233 - 2¹⁴ = 222205849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222222433) 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, 5847935 + ... + 5847972.

It is an arithmetic number, because the mean of its divisors is an integer number (58479540).

Almost surely, 2^222222233 is an apocalyptic number.

It is an amenable number.

222222233 is a deficient number, since it is larger than the sum of its proper divisors (11695927).

222222233 is a wasteful number, since it uses less digits than its factorization.

222222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11695926.

The product of its digits is 1152, while the sum is 20.

The square root of 222222233 is about 14907.1202114962. The cubic root of 222222233 is about 605.7068740696.

Adding to 222222233 its reverse (332222222), we get a palindrome (554444455).

The spelling of 222222233 in words is "two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-three".