2257284 has 12 divisors (see below), whose sum is σ = 5267024. Its totient is φ = 752424.

The previous prime is 2257247. The next prime is 2257291. The reversal of 2257284 is 4827522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁶ + 5⁷ + 7 + 2²¹ + 8² + 4² .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94042 + ... + 94065.

2^2257284 is an apocalyptic number.

It is an amenable number.

2257284 is an abundant number, since it is smaller than the sum of its proper divisors (3009740).

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

2257284 is a wasteful number, since it uses less digits than its factorization.

2257284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188114 (or 188112 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 2257284 is about 1502.4260381130. The cubic root of 2257284 is about 131.1783209520.

The spelling of 2257284 in words is "two million, two hundred fifty-seven thousand, two hundred eighty-four".