656226255 has 16 divisors (see below), whose sum is σ = 1051529184. Its totient is φ = 349464960.

The previous prime is 656226211. The next prime is 656226257. The reversal of 656226255 is 552622656.

It is not a de Polignac number, because 656226255 - 2¹¹ = 656224207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656226257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22156 + ... + 42465.

It is an arithmetic number, because the mean of its divisors is an integer number (65720574).

Almost surely, 2^656226255 is an apocalyptic number.

656226255 is a deficient number, since it is larger than the sum of its proper divisors (395302929).

656226255 is a wasteful number, since it uses less digits than its factorization.

656226255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65306.

The product of its digits is 216000, while the sum is 39.

The square root of 656226255 is about 25616.9134557620. The cubic root of 656226255 is about 868.9961800472.

The spelling of 656226255 in words is "six hundred fifty-six million, two hundred twenty-six thousand, two hundred fifty-five".