22942213 has 8 divisors (see below), whose sum is σ = 26297600. Its totient is φ = 19606320.

The previous prime is 22942189. The next prime is 22942217. The reversal of 22942213 is 31224922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22942213 - 2⁵ = 22942181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22942217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 7138.

It is an arithmetic number, because the mean of its divisors is an integer number (3287200).

Almost surely, 2^22942213 is an apocalyptic number.

It is an amenable number.

22942213 is a deficient number, since it is larger than the sum of its proper divisors (3355387).

22942213 is an equidigital number, since it uses as much as digits as its factorization.

22942213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747.

The product of its digits is 1728, while the sum is 25.

The square root of 22942213 is about 4789.8030230898. The cubic root of 22942213 is about 284.1483264403.

The spelling of 22942213 in words is "twenty-two million, nine hundred forty-two thousand, two hundred thirteen".