2556322 has 8 divisors (see below), whose sum is σ = 3958272. Its totient is φ = 1236900.

The previous prime is 2556277. The next prime is 2556331. The reversal of 2556322 is 2236552.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20554 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (494784).

2^2556322 is an apocalyptic number.

2556322 is a deficient number, since it is larger than the sum of its proper divisors (1401950).

2556322 is a wasteful number, since it uses less digits than its factorization.

2556322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41264.

The product of its digits is 3600, while the sum is 25.

The square root of 2556322 is about 1598.8502118710. The cubic root of 2556322 is about 136.7325308808.

The spelling of 2556322 in words is "two million, five hundred fifty-six thousand, three hundred twenty-two".