22944081 has 4 divisors (see below), whose sum is σ = 30592112. Its totient is φ = 15296052.

The previous prime is 22944059. The next prime is 22944121. The reversal of 22944081 is 18044922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22944081 - 2⁷ = 22943953 is a prime.

It is a super-2 number, since 2×22944081² = 1052861705869122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22944011) 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, 3824011 + ... + 3824016.

It is an arithmetic number, because the mean of its divisors is an integer number (7648028).

Almost surely, 2^22944081 is an apocalyptic number.

It is an amenable number.

22944081 is a deficient number, since it is larger than the sum of its proper divisors (7648031).

22944081 is an equidigital number, since it uses as much as digits as its factorization.

22944081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648030.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 22944081 is about 4789.9980167011. The cubic root of 22944081 is about 284.1560382025.

The spelling of 22944081 in words is "twenty-two million, nine hundred forty-four thousand, eighty-one".