1229332073 has 4 divisors (see below), whose sum is σ = 1233336720. Its totient is φ = 1225327428.

The previous prime is 1229332043. The next prime is 1229332087. The reversal of 1229332073 is 3702339221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1229332073 - 2¹⁰ = 1229331049 is a prime.

It is a super-2 number, since 2×1229332073² = 3022514691412954658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1229332043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001863 + ... + 2002476.

It is an arithmetic number, because the mean of its divisors is an integer number (308334180).

Almost surely, 2^1229332073 is an apocalyptic number.

It is an amenable number.

1229332073 is a deficient number, since it is larger than the sum of its proper divisors (4004647).

1229332073 is an equidigital number, since it uses as much as digits as its factorization.

1229332073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004646.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 1229332073 is about 35061.8321398070. The cubic root of 1229332073 is about 1071.2472929615.

The spelling of 1229332073 in words is "one billion, two hundred twenty-nine million, three hundred thirty-two thousand, seventy-three".