226929557 has 2 divisors, whose sum is σ = 226929558. Its totient is φ = 226929556.

The previous prime is 226929541. The next prime is 226929587. The reversal of 226929557 is 755929622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123520996 + 103408561 = 11114^2 + 10169^2 .

It is a cyclic number.

It is not a de Polignac number, because 226929557 - 2⁴ = 226929541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226929587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113464778 + 113464779.

It is an arithmetic number, because the mean of its divisors is an integer number (113464779).

Almost surely, 2^226929557 is an apocalyptic number.

It is an amenable number.

226929557 is a deficient number, since it is larger than the sum of its proper divisors (1).

226929557 is an equidigital number, since it uses as much as digits as its factorization.

226929557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 226929557 is about 15064.1812588670. The cubic root of 226929557 is about 609.9539130280.

The spelling of 226929557 in words is "two hundred twenty-six million, nine hundred twenty-nine thousand, five hundred fifty-seven".