2251884 has 48 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 696960.

The previous prime is 2251877. The next prime is 2251891. The reversal of 2251884 is 4881522.

It is an interprime number because it is at equal distance from previous prime (2251877) and next prime (2251891).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11217 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^2251884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822400).

2251884 is an abundant number, since it is smaller than the sum of its proper divisors (3392916).

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

2251884 is a wasteful number, since it uses less digits than its factorization.

2251884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2251884 is about 1500.6278685937. The cubic root of 2251884 is about 131.0736334091.

The spelling of 2251884 in words is "two million, two hundred fifty-one thousand, eight hundred eighty-four".