2251588 has 6 divisors (see below), whose sum is σ = 3940286. Its totient is φ = 1125792.

The previous prime is 2251573. The next prime is 2251591. The reversal of 2251588 is 8851522.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 887364 = 1168^2 + 942^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281445 + ... + 281452.

2^2251588 is an apocalyptic number.

It is an amenable number.

2251588 is a deficient number, since it is larger than the sum of its proper divisors (1688698).

2251588 is a wasteful number, since it uses less digits than its factorization.

2251588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562901 (or 562899 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 2251588 is about 1500.5292399684. The cubic root of 2251588 is about 131.0678901447.

The spelling of 2251588 in words is "two million, two hundred fifty-one thousand, five hundred eighty-eight".