2279631 has 8 divisors (see below), whose sum is σ = 3089584. Its totient is φ = 1494720.

The previous prime is 2279617. The next prime is 2279633. The reversal of 2279631 is 1369722.

2279631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2279631 - 2⁶ = 2279567 is a prime.

It is a super-2 number, since 2×2279631² = 10393434992322, which contains 22 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 (2279633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6046 + ... + 6411.

It is an arithmetic number, because the mean of its divisors is an integer number (386198).

2^2279631 is an apocalyptic number.

2279631 is a deficient number, since it is larger than the sum of its proper divisors (809953).

2279631 is a wasteful number, since it uses less digits than its factorization.

2279631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521.

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

The square root of 2279631 is about 1509.8446940000. The cubic root of 2279631 is about 131.6097865370.

Subtracting from 2279631 its reverse (1369722), we obtain a palindrome (909909).

The spelling of 2279631 in words is "two million, two hundred seventy-nine thousand, six hundred thirty-one".