22930221 has 8 divisors (see below), whose sum is σ = 30854560. Its totient is φ = 15146352.

The previous prime is 22930217. The next prime is 22930247. The reversal of 22930221 is 12203922.

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

It is not a de Polignac number, because 22930221 - 2² = 22930217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22930211) 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, 34735 + ... + 35388.

It is an arithmetic number, because the mean of its divisors is an integer number (3856820).

Almost surely, 2^22930221 is an apocalyptic number.

It is an amenable number.

22930221 is a deficient number, since it is larger than the sum of its proper divisors (7924339).

22930221 is a wasteful number, since it uses less digits than its factorization.

22930221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70235.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22930221 is about 4788.5510334547. The cubic root of 22930221 is about 284.0988092670.

The spelling of 22930221 in words is "twenty-two million, nine hundred thirty thousand, two hundred twenty-one".