228792929 has 2 divisors, whose sum is σ = 228792930. Its totient is φ = 228792928.

The previous prime is 228792911. The next prime is 228792943. The reversal of 228792929 is 929297822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220225600 + 8567329 = 14840^2 + 2927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228792929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (228792959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114396464 + 114396465.

It is an arithmetic number, because the mean of its divisors is an integer number (114396465).

Almost surely, 2^228792929 is an apocalyptic number.

It is an amenable number.

228792929 is a deficient number, since it is larger than the sum of its proper divisors (1).

228792929 is an equidigital number, since it uses as much as digits as its factorization.

228792929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 228792929 is about 15125.9025846394. The cubic root of 228792929 is about 611.6188559405.

The spelling of 228792929 in words is "two hundred twenty-eight million, seven hundred ninety-two thousand, nine hundred twenty-nine".