226078829 has 2 divisors, whose sum is σ = 226078830. Its totient is φ = 226078828.

The previous prime is 226078819. The next prime is 226078889. The reversal of 226078829 is 928870622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128029225 + 98049604 = 11315^2 + 9902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226078829 is a prime.

It is a super-2 number, since 2×226078829² = 102223273844022482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 226078829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226078819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113039414 + 113039415.

It is an arithmetic number, because the mean of its divisors is an integer number (113039415).

Almost surely, 2^226078829 is an apocalyptic number.

It is an amenable number.

226078829 is a deficient number, since it is larger than the sum of its proper divisors (1).

226078829 is an equidigital number, since it uses as much as digits as its factorization.

226078829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 226078829 is about 15035.9179633303. The cubic root of 226078829 is about 609.1907471836.

The spelling of 226078829 in words is "two hundred twenty-six million, seventy-eight thousand, eight hundred twenty-nine".