226642255157 has 2 divisors, whose sum is σ = 226642255158. Its totient is φ = 226642255156.

The previous prime is 226642255123. The next prime is 226642255183. The reversal of 226642255157 is 751552246622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226638836356 + 3418801 = 476066^2 + 1849^2 .

It is a cyclic number.

It is not a de Polignac number, because 226642255157 - 2²² = 226638060853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226642255187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113321127578 + 113321127579.

It is an arithmetic number, because the mean of its divisors is an integer number (113321127579).

Almost surely, 2^226642255157 is an apocalyptic number.

It is an amenable number.

226642255157 is a deficient number, since it is larger than the sum of its proper divisors (1).

226642255157 is an equidigital number, since it uses as much as digits as its factorization.

226642255157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016000, while the sum is 47.

The spelling of 226642255157 in words is "two hundred twenty-six billion, six hundred forty-two million, two hundred fifty-five thousand, one hundred fifty-seven".