1229267232 has 48 divisors (see below), whose sum is σ = 3585365280. Its totient is φ = 409755456.

The previous prime is 1229267219. The next prime is 1229267287. The reversal of 1229267232 is 2327629221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1229267232² = 3022195855337883648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710518 + ... + 712245.

It is an arithmetic number, because the mean of its divisors is an integer number (74695110).

Almost surely, 2^1229267232 is an apocalyptic number.

1229267232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1229267232 is an abundant number, since it is smaller than the sum of its proper divisors (2356098048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229267232 is a wasteful number, since it uses less digits than its factorization.

1229267232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422782 (or 1422768 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1229267232 is about 35060.9074611596. The cubic root of 1229267232 is about 1071.2284583525.

It can be divided in two parts, 12292 and 67232, that added together give a square (79524 = 282²).

The spelling of 1229267232 in words is "one billion, two hundred twenty-nine million, two hundred sixty-seven thousand, two hundred thirty-two".