22146346623 has 4 divisors (see below), whose sum is σ = 29528462168. Its totient is φ = 14764231080.

The previous prime is 22146346609. The next prime is 22146346687. The reversal of 22146346623 is 32664364122.

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

It is not a de Polignac number, because 22146346623 - 2²⁹ = 21609475711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146346223) 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, 3691057768 + ... + 3691057773.

It is an arithmetic number, because the mean of its divisors is an integer number (7382115542).

Almost surely, 2^22146346623 is an apocalyptic number.

22146346623 is a deficient number, since it is larger than the sum of its proper divisors (7382115545).

22146346623 is an equidigital number, since it uses as much as digits as its factorization.

22146346623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382115544.

The product of its digits is 248832, while the sum is 39.

The spelling of 22146346623 in words is "twenty-two billion, one hundred forty-six million, three hundred forty-six thousand, six hundred twenty-three".