23420222122 has 32 divisors (see below), whose sum is σ = 38440321920. Its totient is φ = 10613306880.

The previous prime is 23420222083. The next prime is 23420222179. The reversal of 23420222122 is 22122202432.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23420222093 and 23420222102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18056578 + ... + 18057874.

It is an arithmetic number, because the mean of its divisors is an integer number (1201260060).

Almost surely, 2^23420222122 is an apocalyptic number.

23420222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23420222122 is a deficient number, since it is larger than the sum of its proper divisors (15020099798).

23420222122 is a wasteful number, since it uses less digits than its factorization.

23420222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23420222122 its reverse (22122202432), we get a palindrome (45542424554).

It can be divided in two parts, 23420 and 222122, that added together give a palindrome (245542).

The spelling of 23420222122 in words is "twenty-three billion, four hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".