220423022 has 4 divisors (see below), whose sum is σ = 330634536. Its totient is φ = 110211510.

The previous prime is 220423019. The next prime is 220423033. The reversal of 220423022 is 220324022.

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

It is a super-2 number, since 2×220423022² = 97172617255224968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55105754 + ... + 55105757.

It is an arithmetic number, because the mean of its divisors is an integer number (82658634).

Almost surely, 2^220423022 is an apocalyptic number.

220423022 is a deficient number, since it is larger than the sum of its proper divisors (110211514).

220423022 is a wasteful number, since it uses less digits than its factorization.

220423022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110211513.

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

The square root of 220423022 is about 14846.6501945725. The cubic root of 220423022 is about 604.0677507587.

Adding to 220423022 its reverse (220324022), we get a palindrome (440747044).

The spelling of 220423022 in words is "two hundred twenty million, four hundred twenty-three thousand, twenty-two".