2256322 has 4 divisors (see below), whose sum is σ = 3384486. Its totient is φ = 1128160.

The previous prime is 2256313. The next prime is 2256341. The reversal of 2256322 is 2236522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2236522 = 2 ⋅1118261.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 121801 = 1461^2 + 349^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2³ + 2¹⁰ + 5⁸ + 6 + 3¹³ + 2¹³ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2256293 and 2256302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564079 + ... + 564082.

2^2256322 is an apocalyptic number.

2256322 is a deficient number, since it is larger than the sum of its proper divisors (1128164).

2256322 is a wasteful number, since it uses less digits than its factorization.

2256322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128163.

The product of its digits is 1440, while the sum is 22.

The square root of 2256322 is about 1502.1058551247. The cubic root of 2256322 is about 131.1596832919.

The spelling of 2256322 in words is "two million, two hundred fifty-six thousand, three hundred twenty-two".