226057657 has 4 divisors (see below), whose sum is σ = 258351616. Its totient is φ = 193763700.

The previous prime is 226057651. The next prime is 226057669. The reversal of 226057657 is 756750622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 756750622 = 2 ⋅378375311.

It is a cyclic number.

It is not a de Polignac number, because 226057657 - 2⁷ = 226057529 is a prime.

It is a super-2 number, since 2×226057657² = 102204128576659298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226057651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16146969 + ... + 16146982.

It is an arithmetic number, because the mean of its divisors is an integer number (64587904).

Almost surely, 2^226057657 is an apocalyptic number.

It is an amenable number.

226057657 is a deficient number, since it is larger than the sum of its proper divisors (32293959).

226057657 is an equidigital number, since it uses as much as digits as its factorization.

226057657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32293958.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 226057657 is about 15035.2138993764. The cubic root of 226057657 is about 609.1717299390.

The spelling of 226057657 in words is "two hundred twenty-six million, fifty-seven thousand, six hundred fifty-seven".