3220072773 has 8 divisors (see below), whose sum is σ = 4295967168. Its totient is φ = 2145446784.

The previous prime is 3220072769. The next prime is 3220072781. The reversal of 3220072773 is 3772700223.

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

It is not a de Polignac number, because 3220072773 - 2² = 3220072769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220070773) 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, 311161 + ... + 321342.

It is an arithmetic number, because the mean of its divisors is an integer number (536995896).

Almost surely, 2^3220072773 is an apocalyptic number.

It is an amenable number.

3220072773 is a deficient number, since it is larger than the sum of its proper divisors (1075894395).

3220072773 is a wasteful number, since it uses less digits than its factorization.

3220072773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634203.

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 3220072773 is about 56745.6850606282. The cubic root of 3220072773 is about 1476.6873762963.

Adding to 3220072773 its reverse (3772700223), we get a palindrome (6992772996).

The spelling of 3220072773 in words is "three billion, two hundred twenty million, seventy-two thousand, seven hundred seventy-three".