3220656155 has 8 divisors (see below), whose sum is σ = 3865092000. Its totient is φ = 2576321856.

The previous prime is 3220656151. The next prime is 3220656163. The reversal of 3220656155 is 5516560223.

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 3220656155 - 2² = 3220656151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3220656151) 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, 111671 + ... + 137519.

It is an arithmetic number, because the mean of its divisors is an integer number (483136500).

Almost surely, 2^3220656155 is an apocalyptic number.

3220656155 is a deficient number, since it is larger than the sum of its proper divisors (644435845).

3220656155 is a wasteful number, since it uses less digits than its factorization.

3220656155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50773.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 3220656155 is about 56750.8251481862. The cubic root of 3220656155 is about 1476.7765482785.

The spelling of 3220656155 in words is "three billion, two hundred twenty million, six hundred fifty-six thousand, one hundred fifty-five".