2251768 has 16 divisors (see below), whose sum is σ = 4249080. Its totient is φ = 1118688.

The previous prime is 2251741. The next prime is 2251771. The reversal of 2251768 is 8671522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 2197.

2^2251768 is an apocalyptic number.

It is an amenable number.

2251768 is a deficient number, since it is larger than the sum of its proper divisors (1997312).

2251768 is a wasteful number, since it uses less digits than its factorization.

2251768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1802 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2251768 is about 1500.5892176075. The cubic root of 2251768 is about 131.0713827304.

The spelling of 2251768 in words is "two million, two hundred fifty-one thousand, seven hundred sixty-eight".