2232921 has 8 divisors (see below), whose sum is σ = 3011040. Its totient is φ = 1471712.

The previous prime is 2232907. The next prime is 2232929. The reversal of 2232921 is 1292322.

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 2232921 - 2⁵ = 2232889 is a prime.

It is a super-3 number, since 3×2232921³ = 33399604884944897883, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2232929) 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, 3915 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (376380).

2^2232921 is an apocalyptic number.

It is an amenable number.

2232921 is a deficient number, since it is larger than the sum of its proper divisors (778119).

2232921 is an equidigital number, since it uses as much as digits as its factorization.

2232921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455.

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

The square root of 2232921 is about 1494.2961553855. The cubic root of 2232921 is about 130.7046743465.

The spelling of 2232921 in words is "two million, two hundred thirty-two thousand, nine hundred twenty-one".