2250891 has 12 divisors (see below), whose sum is σ = 3264768. Its totient is φ = 1494384.

The previous prime is 2250887. The next prime is 2250901. The reversal of 2250891 is 1980522.

It is not a de Polignac number, because 2250891 - 2² = 2250887 is a prime.

2250891 is a modest number, since divided by 891 gives 225 as remainder.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2250091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3121 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (272064).

2^2250891 is an apocalyptic number.

2250891 is a deficient number, since it is larger than the sum of its proper divisors (1013877).

2250891 is a wasteful number, since it uses less digits than its factorization.

2250891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2250891 is about 1500.2969706028. The cubic root of 2250891 is about 131.0543643210.

The spelling of 2250891 in words is "two million, two hundred fifty thousand, eight hundred ninety-one".