3221429755 has 8 divisors (see below), whose sum is σ = 3867570000. Its totient is φ = 2575907616.

The previous prime is 3221429741. The next prime is 3221429767. The reversal of 3221429755 is 5579241223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221429755 - 2¹⁷ = 3221298683 is a prime.

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, 142980 + ... + 163969.

It is an arithmetic number, because the mean of its divisors is an integer number (483446250).

Almost surely, 2^3221429755 is an apocalyptic number.

3221429755 is a deficient number, since it is larger than the sum of its proper divisors (646140245).

3221429755 is a wasteful number, since it uses less digits than its factorization.

3221429755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309053.

The product of its digits is 151200, while the sum is 40.

The square root of 3221429755 is about 56757.6404988791. The cubic root of 3221429755 is about 1476.8947791425.

The spelling of 3221429755 in words is "three billion, two hundred twenty-one million, four hundred twenty-nine thousand, seven hundred fifty-five".