220122023 has 4 divisors (see below), whose sum is σ = 240133128. Its totient is φ = 200110920.

The previous prime is 220122017. The next prime is 220122043. The reversal of 220122023 is 320221022.

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 220122023 - 2⁸ = 220121767 is a prime.

It is a super-2 number, since 2×220122023² = 96907410019225058, 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 = 220121989 and 220122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10005536 + ... + 10005557.

It is an arithmetic number, because the mean of its divisors is an integer number (60033282).

Almost surely, 2^220122023 is an apocalyptic number.

220122023 is a deficient number, since it is larger than the sum of its proper divisors (20011105).

220122023 is a wasteful number, since it uses less digits than its factorization.

220122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011104.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220122023 is about 14836.5097984668. The cubic root of 220122023 is about 603.7926636204.

Adding to 220122023 its reverse (320221022), we get a palindrome (540343045).

The spelling of 220122023 in words is "two hundred twenty million, one hundred twenty-two thousand, twenty-three".