2556022 has 32 divisors (see below), whose sum is σ = 4624704. Its totient is φ = 1036800.

The previous prime is 2556019. The next prime is 2556023. The reversal of 2556022 is 2206552.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁴ + 5⁸ + 6² + 0 + 2¹⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2555984 and 2556002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34978 + ... + 35050.

It is an arithmetic number, because the mean of its divisors is an integer number (144522).

2^2556022 is an apocalyptic number.

2556022 is a deficient number, since it is larger than the sum of its proper divisors (2068682).

2556022 is a wasteful number, since it uses less digits than its factorization.

2556022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2556022 is about 1598.7563916995. The cubic root of 2556022 is about 136.7271818724.

The spelling of 2556022 in words is "two million, five hundred fifty-six thousand, twenty-two".