2231679 has 8 divisors (see below), whose sum is σ = 3006640. Its totient is φ = 1472256.

The previous prime is 2231653. The next prime is 2231681. The reversal of 2231679 is 9761322.

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

It is not a de Polignac number, because 2231679 - 2⁸ = 2231423 is a prime.

It is a super-3 number, since 3×2231679³ = 33343903084252379517, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231609) 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, 3544 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (375830).

2^2231679 is an apocalyptic number.

2231679 is a deficient number, since it is larger than the sum of its proper divisors (774961).

2231679 is an equidigital number, since it uses as much as digits as its factorization.

2231679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769.

The product of its digits is 4536, while the sum is 30.

The square root of 2231679 is about 1493.8805173105. The cubic root of 2231679 is about 130.6804362427.

The spelling of 2231679 in words is "two million, two hundred thirty-one thousand, six hundred seventy-nine".