1229286533 has 2 divisors, whose sum is σ = 1229286534. Its totient is φ = 1229286532.

The previous prime is 1229286521. The next prime is 1229286547. The reversal of 1229286533 is 3356829221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 974501089 + 254785444 = 31217^2 + 15962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229286533 - 2⁶ = 1229286469 is a prime.

It is a super-2 number, since 2×1229286533² = 3022290760430320178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229286733) 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, 614643266 + 614643267.

It is an arithmetic number, because the mean of its divisors is an integer number (614643267).

Almost surely, 2^1229286533 is an apocalyptic number.

It is an amenable number.

1229286533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229286533 is an equidigital number, since it uses as much as digits as its factorization.

1229286533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 1229286533 is about 35061.1827096577. The cubic root of 1229286533 is about 1071.2340648557.

The spelling of 1229286533 in words is "one billion, two hundred twenty-nine million, two hundred eighty-six thousand, five hundred thirty-three".