2402278 has 16 divisors (see below), whose sum is σ = 3720816. Its totient is φ = 1162720.

The previous prime is 2402263. The next prime is 2402291. The reversal of 2402278 is 8722042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13800 + ... + 13972.

It is an arithmetic number, because the mean of its divisors is an integer number (232551).

2^2402278 is an apocalyptic number.

2402278 is a deficient number, since it is larger than the sum of its proper divisors (1318538).

2402278 is a wasteful number, since it uses less digits than its factorization.

2402278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2402278 is about 1549.9283854424. The cubic root of 2402278 is about 133.9289368506.

The spelling of 2402278 in words is "two million, four hundred two thousand, two hundred seventy-eight".