1228625032 has 16 divisors (see below), whose sum is σ = 2304368640. Its totient is φ = 614126736.

The previous prime is 1228624993. The next prime is 1228625053. The reversal of 1228625032 is 2305268221.

It is a junction number, because it is equal to n+sod(n) for n = 1228624985 and 1228625003.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7233 + ... + 50095.

It is an arithmetic number, because the mean of its divisors is an integer number (144023040).

Almost surely, 2^1228625032 is an apocalyptic number.

It is an amenable number.

1228625032 is a deficient number, since it is larger than the sum of its proper divisors (1075743608).

1228625032 is a wasteful number, since it uses less digits than its factorization.

1228625032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46452 (or 46448 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1228625032 is about 35051.7479164734. The cubic root of 1228625032 is about 1071.0418803293.

The spelling of 1228625032 in words is "one billion, two hundred twenty-eight million, six hundred twenty-five thousand, thirty-two".