256226735 has 8 divisors (see below), whose sum is σ = 307941216. Its totient is φ = 204668640.

The previous prime is 256226701. The next prime is 256226741. The reversal of 256226735 is 537622652.

It is a happy number.

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

It is not a de Polignac number, because 256226735 - 2⁸ = 256226479 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 35459 + ... + 42068.

It is an arithmetic number, because the mean of its divisors is an integer number (38492652).

Almost surely, 2^256226735 is an apocalyptic number.

256226735 is a deficient number, since it is larger than the sum of its proper divisors (51714481).

256226735 is an equidigital number, since it uses as much as digits as its factorization.

256226735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78193.

The product of its digits is 151200, while the sum is 38.

The square root of 256226735 is about 16007.0839005735. The cubic root of 256226735 is about 635.1478234808.

The spelling of 256226735 in words is "two hundred fifty-six million, two hundred twenty-six thousand, seven hundred thirty-five".