2281250 has 28 divisors (see below), whose sum is σ = 4335882. Its totient is φ = 900000.

The previous prime is 2281249. The next prime is 2281267. The reversal of 2281250 is 521822.

It can be written as a sum of positive squares in 7 ways, for example, as 1138489 + 1142761 = 1067^2 + 1069^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 31214 + ... + 31286.

2^2281250 is an apocalyptic number.

2281250 is a deficient number, since it is larger than the sum of its proper divisors (2054632).

2281250 is an frugal number, since it uses more digits than its factorization.

2281250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2281250 is about 1510.3807466993. The cubic root of 2281250 is about 131.6409357043.

It can be divided in two parts, 2 and 281250, that multiplied together give a square (562500 = 750²).

The spelling of 2281250 in words is "two million, two hundred eighty-one thousand, two hundred fifty".