2251804 has 12 divisors (see below), whose sum is σ = 4148200. Its totient is φ = 1066608.

The previous prime is 2251771. The next prime is 2251807. The reversal of 2251804 is 4081522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14739 + ... + 14890.

2^2251804 is an apocalyptic number.

It is an amenable number.

2251804 is a deficient number, since it is larger than the sum of its proper divisors (1896396).

2251804 is a wasteful number, since it uses less digits than its factorization.

2251804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29652 (or 29650 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2251804 is about 1500.6012128477. The cubic root of 2251804 is about 131.0720812251.

The spelling of 2251804 in words is "two million, two hundred fifty-one thousand, eight hundred four".