3228731232 has 48 divisors (see below), whose sum is σ = 8519841792. Its totient is φ = 1070602880.

The previous prime is 3228731201. The next prime is 3228731249. The reversal of 3228731232 is 2321378223.

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

It is a junction number, because it is equal to n+sod(n) for n = 3228731193 and 3228731202.

It is a congruent number.

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, 69708 + ... + 106379.

It is an arithmetic number, because the mean of its divisors is an integer number (177496704).

Almost surely, 2^3228731232 is an apocalyptic number.

3228731232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3228731232 is an abundant number, since it is smaller than the sum of its proper divisors (5291110560).

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

3228731232 is a wasteful number, since it uses less digits than its factorization.

3228731232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176291 (or 176283 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 3228731232 is about 56821.9256273492. The cubic root of 3228731232 is about 1478.0097474703.

The spelling of 3228731232 in words is "three billion, two hundred twenty-eight million, seven hundred thirty-one thousand, two hundred thirty-two".