22465123 has 4 divisors (see below), whose sum is σ = 22629240. Its totient is φ = 22301008.

The previous prime is 22465117. The next prime is 22465133. The reversal of 22465123 is 32156422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32156422 = 2 ⋅16078211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22465123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22465133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81853 + ... + 82126.

It is an arithmetic number, because the mean of its divisors is an integer number (5657310).

Almost surely, 2^22465123 is an apocalyptic number.

22465123 is a deficient number, since it is larger than the sum of its proper divisors (164117).

22465123 is a wasteful number, since it uses less digits than its factorization.

22465123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164116.

The product of its digits is 2880, while the sum is 25.

The square root of 22465123 is about 4739.7387058782. The cubic root of 22465123 is about 282.1648642801.

The spelling of 22465123 in words is "twenty-two million, four hundred sixty-five thousand, one hundred twenty-three".