2232991 has 2 divisors, whose sum is σ = 2232992. Its totient is φ = 2232990.

The previous prime is 2232959. The next prime is 2233003. The reversal of 2232991 is 1992322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2232991 - 2⁵ = 2232959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116495 + 1116496.

It is an arithmetic number, because the mean of its divisors is an integer number (1116496).

2^2232991 is an apocalyptic number.

2232991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232991 is an equidigital number, since it uses as much as digits as its factorization.

2232991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 2232991 is about 1494.3195776005. The cubic root of 2232991 is about 130.7060401556.

It can be divided in two parts, 2232 and 991, that added together give a palindrome (3223).

The spelling of 2232991 in words is "two million, two hundred thirty-two thousand, nine hundred ninety-one".