22733313 has 4 divisors (see below), whose sum is σ = 30311088. Its totient is φ = 15155540.

The previous prime is 22733309. The next prime is 22733317. The reversal of 22733313 is 31333722.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (22733309) and next prime (22733317).

It is a cyclic number.

It is not a de Polignac number, because 22733313 - 2² = 22733309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22733317) 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, 3788883 + ... + 3788888.

It is an arithmetic number, because the mean of its divisors is an integer number (7577772).

Almost surely, 2^22733313 is an apocalyptic number.

It is an amenable number.

22733313 is a deficient number, since it is larger than the sum of its proper divisors (7577775).

22733313 is an equidigital number, since it uses as much as digits as its factorization.

22733313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577774.

The product of its digits is 2268, while the sum is 24.

The square root of 22733313 is about 4767.9464132895. The cubic root of 22733313 is about 283.2832592785.

The spelling of 22733313 in words is "twenty-two million, seven hundred thirty-three thousand, three hundred thirteen".