23224473 has 6 divisors (see below), whose sum is σ = 33546474. Its totient is φ = 15482976.

The previous prime is 23224471. The next prime is 23224483. The reversal of 23224473 is 37442232.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 870489 = 4728^2 + 933^2 .

It is not a de Polignac number, because 23224473 - 2¹ = 23224471 is a prime.

It is a super-2 number, since 2×23224473² = 1078752292255458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23224471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1290240 + ... + 1290257.

It is an arithmetic number, because the mean of its divisors is an integer number (5591079).

Almost surely, 2^23224473 is an apocalyptic number.

It is an amenable number.

23224473 is a deficient number, since it is larger than the sum of its proper divisors (10322001).

23224473 is a wasteful number, since it uses less digits than its factorization.

23224473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580503 (or 2580500 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 23224473 is about 4819.1776269401. The cubic root of 23224473 is about 285.3088802607.

The spelling of 23224473 in words is "twenty-three million, two hundred twenty-four thousand, four hundred seventy-three".