22943233 has 4 divisors (see below), whose sum is σ = 22952880. Its totient is φ = 22933588.

The previous prime is 22943227. The next prime is 22943257. The reversal of 22943233 is 33234922.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22943233 - 2¹³ = 22935041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22949233) 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, 1566 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (5738220).

Almost surely, 2^22943233 is an apocalyptic number.

It is an amenable number.

22943233 is a deficient number, since it is larger than the sum of its proper divisors (9647).

22943233 is an equidigital number, since it uses as much as digits as its factorization.

22943233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646.

The product of its digits is 7776, while the sum is 28.

The square root of 22943233 is about 4789.9094981012. The cubic root of 22943233 is about 284.1525374116.

The spelling of 22943233 in words is "twenty-two million, nine hundred forty-three thousand, two hundred thirty-three".