2207256 has 16 divisors (see below), whose sum is σ = 5518200. Its totient is φ = 735744.

The previous prime is 2207251. The next prime is 2207269. The reversal of 2207256 is 6527022.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 91969 = 2207256 / (2 + 2 + 0 + 7 + 2 + 5 + 6).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207251) 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, 45961 + ... + 46008.

2^2207256 is an apocalyptic number.

It is an amenable number.

2207256 is an abundant number, since it is smaller than the sum of its proper divisors (3310944).

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

2207256 is a wasteful number, since it uses less digits than its factorization.

2207256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91978 (or 91974 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2207256 is about 1485.6836810035. The cubic root of 2207256 is about 130.2019740098.

The spelling of 2207256 in words is "two million, two hundred seven thousand, two hundred fifty-six".