2255746 has 8 divisors (see below), whose sum is σ = 3492864. Its totient is φ = 1091460.

The previous prime is 2255731. The next prime is 2255749. The reversal of 2255746 is 6475522.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2255749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18130 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (436608).

2^2255746 is an apocalyptic number.

2255746 is a deficient number, since it is larger than the sum of its proper divisors (1237118).

2255746 is a wasteful number, since it uses less digits than its factorization.

2255746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36416.

The product of its digits is 16800, while the sum is 31.

The square root of 2255746 is about 1501.9141120583. The cubic root of 2255746 is about 131.1485214088.

The spelling of 2255746 in words is "two million, two hundred fifty-five thousand, seven hundred forty-six".