22944923 has 4 divisors (see below), whose sum is σ = 23333880. Its totient is φ = 22555968.

The previous prime is 22944907. The next prime is 22944931. The reversal of 22944923 is 32944922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32944922 = 2 ⋅16472461.

It is a cyclic number.

It is not a de Polignac number, because 22944923 - 2⁴ = 22944907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22944983) 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, 194390 + ... + 194507.

It is an arithmetic number, because the mean of its divisors is an integer number (5833470).

Almost surely, 2^22944923 is an apocalyptic number.

22944923 is a deficient number, since it is larger than the sum of its proper divisors (388957).

22944923 is an equidigital number, since it uses as much as digits as its factorization.

22944923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388956.

The product of its digits is 31104, while the sum is 35.

The square root of 22944923 is about 4790.0859073716. The cubic root of 22944923 is about 284.1595141383.

Subtracting 22944923 from its reverse (32944922), we obtain a palindrome (9999999).

The spelling of 22944923 in words is "twenty-two million, nine hundred forty-four thousand, nine hundred twenty-three".