815046229 has 2 divisors, whose sum is σ = 815046230. Its totient is φ = 815046228.

The previous prime is 815046157. The next prime is 815046233. The reversal of 815046229 is 922640518.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 656538129 + 158508100 = 25623^2 + 12590^2 .

It is a cyclic number.

It is not a de Polignac number, because 815046229 - 2¹⁹ = 814521941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (815046259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407523114 + 407523115.

It is an arithmetic number, because the mean of its divisors is an integer number (407523115).

Almost surely, 2^815046229 is an apocalyptic number.

It is an amenable number.

815046229 is a deficient number, since it is larger than the sum of its proper divisors (1).

815046229 is an equidigital number, since it uses as much as digits as its factorization.

815046229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 815046229 is about 28549.0145013799. The cubic root of 815046229 is about 934.1015243464.

The spelling of 815046229 in words is "eight hundred fifteen million, forty-six thousand, two hundred twenty-nine".