22673745 has 48 divisors (see below), whose sum is σ = 43205760. Its totient is φ = 10948608.

The previous prime is 22673719. The next prime is 22673747. The reversal of 22673745 is 54737622.

It is a happy number.

22673745 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 22673745 - 2⁵ = 22673713 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22673747) 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, 19089 + ... + 20241.

It is an arithmetic number, because the mean of its divisors is an integer number (900120).

Almost surely, 2^22673745 is an apocalyptic number.

It is an amenable number.

22673745 is a deficient number, since it is larger than the sum of its proper divisors (20532015).

22673745 is a wasteful number, since it uses less digits than its factorization.

22673745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1203 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 22673745 is about 4761.6956013588. The cubic root of 22673745 is about 283.0356142254.

The spelling of 22673745 in words is "twenty-two million, six hundred seventy-three thousand, seven hundred forty-five".