2402279 has 4 divisors (see below), whose sum is σ = 2620680. Its totient is φ = 2183880.

The previous prime is 2402263. The next prime is 2402291. The reversal of 2402279 is 9722042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2402279 - 2⁴ = 2402263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109184 + ... + 109205.

It is an arithmetic number, because the mean of its divisors is an integer number (655170).

2^2402279 is an apocalyptic number.

2402279 is a deficient number, since it is larger than the sum of its proper divisors (218401).

2402279 is a wasteful number, since it uses less digits than its factorization.

2402279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218400.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2402279 is about 1549.9287080379. The cubic root of 2402279 is about 133.9289554342.

The spelling of 2402279 in words is "two million, four hundred two thousand, two hundred seventy-nine".