2256622 has 8 divisors (see below), whose sum is σ = 3532176. Its totient is φ = 1079232.

The previous prime is 2256619. The next prime is 2256623. The reversal of 2256622 is 2266522.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24483 + ... + 24574.

It is an arithmetic number, because the mean of its divisors is an integer number (441522).

2^2256622 is an apocalyptic number.

2256622 is a deficient number, since it is larger than the sum of its proper divisors (1275554).

2256622 is a wasteful number, since it uses less digits than its factorization.

2256622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49082.

The product of its digits is 2880, while the sum is 25.

The square root of 2256622 is about 1502.2057116121. The cubic root of 2256622 is about 131.1654960204.

It can be divided in two parts, 22 and 56622, that added together give a square (56644 = 238²).

The spelling of 2256622 in words is "two million, two hundred fifty-six thousand, six hundred twenty-two".