2256522 has 16 divisors (see below), whose sum is σ = 4577472. Its totient is φ = 741440.

The previous prime is 2256479. The next prime is 2256533.

2256522 is nontrivially palindromic in base 10.

It is a d-powerful number, because it can be written as 2⁴ + 2⁵ + 5⁶ + 6² + 5⁷ + 2¹⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2256492 and 2256501.

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, 2223 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (286092).

2^2256522 is an apocalyptic number.

2256522 is an abundant number, since it is smaller than the sum of its proper divisors (2320950).

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

2256522 is a wasteful number, since it uses less digits than its factorization.

2256522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373.

The product of its digits is 2400, while the sum is 24.

The square root of 2256522 is about 1502.1724268539. The cubic root of 2256522 is about 131.1635585015.

The spelling of 2256522 in words is "two million, two hundred fifty-six thousand, five hundred twenty-two".