2257356 has 24 divisors (see below), whose sum is σ = 5292784. Its totient is φ = 748800.

The previous prime is 2257319. The next prime is 2257361. The reversal of 2257356 is 6537522.

It is a super-2 number, since 2×2257356² = 10191312221472, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 5⁷ + 7³ + 3⁷ + 5⁷ + 6⁴ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456 + ... + 4056.

2^2257356 is an apocalyptic number.

It is an amenable number.

2257356 is an abundant number, since it is smaller than the sum of its proper divisors (3035428).

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

2257356 is a wasteful number, since it uses less digits than its factorization.

2257356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 919 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 2257356 is about 1502.4499991680. The cubic root of 2257356 is about 131.1797156575.

The spelling of 2257356 in words is "two million, two hundred fifty-seven thousand, three hundred fifty-six".