232922021 has 4 divisors (see below), whose sum is σ = 232962444. Its totient is φ = 232881600.

The previous prime is 232922009. The next prime is 232922033. The reversal of 232922021 is 120229232.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (232922009) and next prime (232922033).

It can be written as a sum of positive squares in 2 ways, for example, as 151019521 + 81902500 = 12289^2 + 9050^2 .

It is a cyclic number.

It is not a de Polignac number, because 232922021 - 2¹⁴ = 232905637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232922071) 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, 9770 + ... + 23691.

It is an arithmetic number, because the mean of its divisors is an integer number (58240611).

Almost surely, 2^232922021 is an apocalyptic number.

It is an amenable number.

232922021 is a deficient number, since it is larger than the sum of its proper divisors (40423).

232922021 is an equidigital number, since it uses as much as digits as its factorization.

232922021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40422.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 232922021 is about 15261.7830216525. The cubic root of 232922021 is about 615.2762950920.

The spelling of 232922021 in words is "two hundred thirty-two million, nine hundred twenty-two thousand, twenty-one".