2251880 has 32 divisors (see below), whose sum is σ = 5335200. Its totient is φ = 853056.

The previous prime is 2251877. The next prime is 2251891. The reversal of 2251880 is 881522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

2^2251880 is an apocalyptic number.

2251880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251880 is an abundant number, since it is smaller than the sum of its proper divisors (3083320).

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

2251880 is a wasteful number, since it uses less digits than its factorization.

2251880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2251880 is about 1500.6265358176. The cubic root of 2251880 is about 131.0735558008.

The spelling of 2251880 in words is "two million, two hundred fifty-one thousand, eight hundred eighty".