2256357 has 8 divisors (see below), whose sum is σ = 3049984. Its totient is φ = 1483488.

The previous prime is 2256349. The next prime is 2256361. The reversal of 2256357 is 7536522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2256357 - 2³ = 2256349 is a prime.

It is a super-2 number, since 2×2256357² = 10182293822898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (381248).

2^2256357 is an apocalyptic number.

It is an amenable number.

2256357 is a deficient number, since it is larger than the sum of its proper divisors (793627).

2256357 is a wasteful number, since it uses less digits than its factorization.

2256357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379.

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

The square root of 2256357 is about 1502.1175053903. The cubic root of 2256357 is about 131.1603614701.

The spelling of 2256357 in words is "two million, two hundred fifty-six thousand, three hundred fifty-seven".