226929779 has 2 divisors, whose sum is σ = 226929780. Its totient is φ = 226929778.

The previous prime is 226929767. The next prime is 226929803. The reversal of 226929779 is 977929622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226929779 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226929779.

It is not a weakly prime, because it can be changed into another prime (226920779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113464889 + 113464890.

It is an arithmetic number, because the mean of its divisors is an integer number (113464890).

Almost surely, 2^226929779 is an apocalyptic number.

226929779 is a deficient number, since it is larger than the sum of its proper divisors (1).

226929779 is an equidigital number, since it uses as much as digits as its factorization.

226929779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 226929779 is about 15064.1886273374. The cubic root of 226929779 is about 609.9541119293.

The spelling of 226929779 in words is "two hundred twenty-six million, nine hundred twenty-nine thousand, seven hundred seventy-nine".