2257716 has 12 divisors (see below), whose sum is σ = 5268032. Its totient is φ = 752568.

The previous prime is 2257709. The next prime is 2257721. The reversal of 2257716 is 6177522.

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 congruent number.

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, 94060 + ... + 94083.

2^2257716 is an apocalyptic number.

It is an amenable number.

2257716 is an abundant number, since it is smaller than the sum of its proper divisors (3010316).

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

2257716 is a wasteful number, since it uses less digits than its factorization.

2257716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188150 (or 188148 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 2257716 is about 1502.5697987115. The cubic root of 2257716 is about 131.1866887397.

The spelling of 2257716 in words is "two million, two hundred fifty-seven thousand, seven hundred sixteen".