2256402 has 16 divisors (see below), whose sum is σ = 4750560. Its totient is φ = 712512.

The previous prime is 2256389. The next prime is 2256413. The reversal of 2256402 is 2046522.

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, 9783 + ... + 10010.

It is an arithmetic number, because the mean of its divisors is an integer number (296910).

2^2256402 is an apocalyptic number.

2256402 is an abundant number, since it is smaller than the sum of its proper divisors (2494158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256402 is a wasteful number, since it uses less digits than its factorization.

2256402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2256402 is about 1502.1324841704. The cubic root of 2256402 is about 131.1612334032.

The spelling of 2256402 in words is "two million, two hundred fifty-six thousand, four hundred two".