222222023 has 4 divisors (see below), whose sum is σ = 225035040. Its totient is φ = 219409008.

The previous prime is 222221971. The next prime is 222222029. The reversal of 222222023 is 320222222.

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 222222023 - 2⁸ = 222221767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222221992 and 222222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222029) 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, 1406390 + ... + 1406547.

It is an arithmetic number, because the mean of its divisors is an integer number (56258760).

Almost surely, 2^222222023 is an apocalyptic number.

222222023 is a deficient number, since it is larger than the sum of its proper divisors (2813017).

222222023 is an equidigital number, since it uses as much as digits as its factorization.

222222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813016.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222222023 is about 14907.1131678806. The cubic root of 222222023 is about 605.7066832719.

Adding to 222222023 its reverse (320222222), we get a palindrome (542444245).

The spelling of 222222023 in words is "two hundred twenty-two million, two hundred twenty-two thousand, twenty-three".