1228932552 has 32 divisors (see below), whose sum is σ = 3102166080. Its totient is φ = 405666240.

The previous prime is 1228932511. The next prime is 1228932569. The reversal of 1228932552 is 2552398221.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1228932552.

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, 246099 + ... + 251042.

It is an arithmetic number, because the mean of its divisors is an integer number (96942690).

Almost surely, 2^1228932552 is an apocalyptic number.

1228932552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1228932552 is an abundant number, since it is smaller than the sum of its proper divisors (1873233528).

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

1228932552 is a wasteful number, since it uses less digits than its factorization.

1228932552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497253 (or 497249 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 1228932552 is about 35056.1342991494. The cubic root of 1228932552 is about 1071.1312320611.

The spelling of 1228932552 in words is "one billion, two hundred twenty-eight million, nine hundred thirty-two thousand, five hundred fifty-two".