22045123 has 4 divisors (see below), whose sum is σ = 22756288. Its totient is φ = 21333960.

The previous prime is 22045099. The next prime is 22045147. The reversal of 22045123 is 32154022.

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

It is an interprime number because it is at equal distance from previous prime (22045099) and next prime (22045147).

It is a cyclic number.

It is not a de Polignac number, because 22045123 - 2⁵ = 22045091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22045123.

It is not an unprimeable number, because it can be changed into a prime (22042123) 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, 355536 + ... + 355597.

It is an arithmetic number, because the mean of its divisors is an integer number (5689072).

Almost surely, 2^22045123 is an apocalyptic number.

22045123 is a deficient number, since it is larger than the sum of its proper divisors (711165).

22045123 is an equidigital number, since it uses as much as digits as its factorization.

22045123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711164.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22045123 is about 4695.2234238639. The cubic root of 22045123 is about 280.3953725758.

Adding to 22045123 its reverse (32154022), we get a palindrome (54199145).

The spelling of 22045123 in words is "twenty-two million, forty-five thousand, one hundred twenty-three".