1156402229 has 2 divisors, whose sum is σ = 1156402230. Its totient is φ = 1156402228.

The previous prime is 1156402213. The next prime is 1156402249. The reversal of 1156402229 is 9222046511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594238129 + 562164100 = 24377^2 + 23710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156402229 - 2⁴ = 1156402213 is a prime.

It is a super-2 number, since 2×1156402229² = 2674532230472336882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1156402195 and 1156402204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156402249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578201114 + 578201115.

It is an arithmetic number, because the mean of its divisors is an integer number (578201115).

Almost surely, 2^1156402229 is an apocalyptic number.

It is an amenable number.

1156402229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156402229 is an equidigital number, since it uses as much as digits as its factorization.

1156402229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1156402229 is about 34005.9146179014. The cubic root of 1156402229 is about 1049.6301733090.

The spelling of 1156402229 in words is "one billion, one hundred fifty-six million, four hundred two thousand, two hundred twenty-nine".