2231039 has 8 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 2129400.

The previous prime is 2231027. The next prime is 2231051. The reversal of 2231039 is 9301322.

It is an interprime number because it is at equal distance from previous prime (2231027) and next prime (2231051).

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 2231039 - 2⁸ = 2230783 is a prime.

It is a super-3 number, since 3×2231039³ = 33315224257251336957, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231059) 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, 1994 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (291840).

2^2231039 is an apocalyptic number.

2231039 is a deficient number, since it is larger than the sum of its proper divisors (103681).

2231039 is an equidigital number, since it uses as much as digits as its factorization.

2231039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2231039 is about 1493.6662947258. Note that the first 3 decimals coincide. The cubic root of 2231039 is about 130.6679428875.

The spelling of 2231039 in words is "two million, two hundred thirty-one thousand, thirty-nine".