422621123 has 4 divisors (see below), whose sum is σ = 444864360. Its totient is φ = 400377888.

The previous prime is 422621119. The next prime is 422621137. The reversal of 422621123 is 321126224.

It is a happy number.

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 422621123 - 2² = 422621119 is a prime.

It is a super-2 number, since 2×422621123² = 357217227211562258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422621183) 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, 11121590 + ... + 11121627.

It is an arithmetic number, because the mean of its divisors is an integer number (111216090).

Almost surely, 2^422621123 is an apocalyptic number.

422621123 is a deficient number, since it is larger than the sum of its proper divisors (22243237).

422621123 is a wasteful number, since it uses less digits than its factorization.

422621123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22243236.

The product of its digits is 1152, while the sum is 23.

The square root of 422621123 is about 20557.7509227055. The cubic root of 422621123 is about 750.4418865602.

Adding to 422621123 its reverse (321126224), we get a palindrome (743747347).

The spelling of 422621123 in words is "four hundred twenty-two million, six hundred twenty-one thousand, one hundred twenty-three".