2250681 has 8 divisors (see below), whose sum is σ = 3177504. Its totient is φ = 1412160.

The previous prime is 2250679. The next prime is 2250709. The reversal of 2250681 is 1860522.

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

It is not a de Polignac number, because 2250681 - 2¹ = 2250679 is a prime.

It is a super-2 number, since 2×2250681² = 10131129927522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2250601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22015 + ... + 22116.

It is an arithmetic number, because the mean of its divisors is an integer number (397188).

2^2250681 is an apocalyptic number.

It is an amenable number.

2250681 is a deficient number, since it is larger than the sum of its proper divisors (926823).

2250681 is a wasteful number, since it uses less digits than its factorization.

2250681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44151.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2250681 is about 1500.2269828263. The cubic root of 2250681 is about 131.0502885613.

The spelling of 2250681 in words is "two million, two hundred fifty thousand, six hundred eighty-one".