22045023 has 48 divisors (see below), whose sum is σ = 42771456. Its totient is φ = 10566720.

The previous prime is 22044991. The next prime is 22045087. The reversal of 22045023 is 32054022.

It is not a de Polignac number, because 22045023 - 2⁵ = 22044991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22044987 and 22045005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7786 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (891072).

Almost surely, 2^22045023 is an apocalyptic number.

22045023 is a deficient number, since it is larger than the sum of its proper divisors (20726433).

22045023 is a wasteful number, since it uses less digits than its factorization.

22045023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22045023 is about 4695.2127747313. The cubic root of 22045023 is about 280.3949486033.

Adding to 22045023 its reverse (32054022), we get a palindrome (54099045).

It can be divided in two parts, 2204 and 5023, that added together give a palindrome (7227).

The spelling of 22045023 in words is "twenty-two million, forty-five thousand, twenty-three".