3221775136 has 48 divisors (see below), whose sum is σ = 6422431680. Its totient is φ = 1590780160.

The previous prime is 3221775133. The next prime is 3221775143. The reversal of 3221775136 is 6315771223.

It is a junction number, because it is equal to n+sod(n) for n = 3221775095 and 3221775104.

It is not an unprimeable number, because it can be changed into a prime (3221775131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227906 + ... + 1230526.

It is an arithmetic number, because the mean of its divisors is an integer number (133800660).

Almost surely, 2^3221775136 is an apocalyptic number.

It is an amenable number.

3221775136 is a deficient number, since it is larger than the sum of its proper divisors (3200656544).

3221775136 is a wasteful number, since it uses less digits than its factorization.

3221775136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097 (or 3089 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 3221775136 is about 56760.6830120991. The cubic root of 3221775136 is about 1476.9475583126.

The spelling of 3221775136 in words is "three billion, two hundred twenty-one million, seven hundred seventy-five thousand, one hundred thirty-six".