22933321 has 4 divisors (see below), whose sum is σ = 23421312. Its totient is φ = 22445332.

The previous prime is 22933297. The next prime is 22933327. The reversal of 22933321 is 12333922.

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 a cyclic number.

It is not a de Polignac number, because 22933321 - 2²³ = 14544713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22933327) 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, 243925 + ... + 244018.

It is an arithmetic number, because the mean of its divisors is an integer number (5855328).

Almost surely, 2^22933321 is an apocalyptic number.

It is an amenable number.

22933321 is a deficient number, since it is larger than the sum of its proper divisors (487991).

22933321 is an equidigital number, since it uses as much as digits as its factorization.

22933321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487990.

The product of its digits is 1944, while the sum is 25.

The square root of 22933321 is about 4788.8747112448. The cubic root of 22933321 is about 284.1116113914. Note that the first 3 decimals are identical.

The spelling of 22933321 in words is "twenty-two million, nine hundred thirty-three thousand, three hundred twenty-one".