3220742751 has 8 divisors (see below), whose sum is σ = 4304289024. Its totient is φ = 2142179160.

The previous prime is 3220742747. The next prime is 3220742797. The reversal of 3220742751 is 1572470223.

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

It is not a de Polignac number, because 3220742751 - 2² = 3220742747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220742711) 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, 1244161 + ... + 1246746.

It is an arithmetic number, because the mean of its divisors is an integer number (538036128).

Almost surely, 2^3220742751 is an apocalyptic number.

3220742751 is a deficient number, since it is larger than the sum of its proper divisors (1083546273).

3220742751 is a wasteful number, since it uses less digits than its factorization.

3220742751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491341.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 3220742751 is about 56751.5880923169. The cubic root of 3220742751 is about 1476.7897838626.

The spelling of 3220742751 in words is "three billion, two hundred twenty million, seven hundred forty-two thousand, seven hundred fifty-one".