1229367552 has 72 divisors (see below), whose sum is σ = 3739342656. Its totient is φ = 351246336.

The previous prime is 1229367547. The next prime is 1229367577. The reversal of 1229367552 is 2557639221.

It is a super-2 number, since 2×1229367552² = 3022689155820945408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 108963 + ... + 119714.

Almost surely, 2^1229367552 is an apocalyptic number.

1229367552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1229367552 is an abundant number, since it is smaller than the sum of its proper divisors (2509975104).

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

1229367552 is an equidigital number, since it uses as much as digits as its factorization.

1229367552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228703 (or 228689 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 1229367552 is about 35062.3380851876. The cubic root of 1229367552 is about 1071.2575983997.

The spelling of 1229367552 in words is "one billion, two hundred twenty-nine million, three hundred sixty-seven thousand, five hundred fifty-two".