226505757 has 8 divisors (see below), whose sum is σ = 303439840. Its totient is φ = 150287760.

The previous prime is 226505687. The next prime is 226505789. The reversal of 226505757 is 757505622.

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

It is a de Polignac number, because none of the positive numbers 2^k-226505757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226505557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178282 + ... + 179547.

It is an arithmetic number, because the mean of its divisors is an integer number (37929980).

Almost surely, 2^226505757 is an apocalyptic number.

It is an amenable number.

226505757 is a deficient number, since it is larger than the sum of its proper divisors (76934083).

226505757 is a wasteful number, since it uses less digits than its factorization.

226505757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358043.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 226505757 is about 15050.1082055911. The cubic root of 226505757 is about 609.5739719901.

The spelling of 226505757 in words is "two hundred twenty-six million, five hundred five thousand, seven hundred fifty-seven".