3223312772 has 6 divisors (see below), whose sum is σ = 5640797358. Its totient is φ = 1611656384.

The previous prime is 3223312717. The next prime is 3223312777. The reversal of 3223312772 is 2772133223.

It can be written as a sum of positive squares in only one way, i.e., 2782984516 + 440328256 = 52754^2 + 20984^2 .

It is a super-2 number, since 2×3223312772² = 20779490452276647968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3223312777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402914093 + ... + 402914100.

It is an arithmetic number, because the mean of its divisors is an integer number (940132893).

Almost surely, 2^3223312772 is an apocalyptic number.

It is an amenable number.

3223312772 is a deficient number, since it is larger than the sum of its proper divisors (2417484586).

3223312772 is a wasteful number, since it uses less digits than its factorization.

3223312772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805828197 (or 805828195 counting only the distinct ones).

The product of its digits is 21168, while the sum is 32.

The square root of 3223312772 is about 56774.2263003205. The cubic root of 3223312772 is about 1477.1824853788.

Adding to 3223312772 its reverse (2772133223), we get a palindrome (5995445995).

The spelling of 3223312772 in words is "three billion, two hundred twenty-three million, three hundred twelve thousand, seven hundred seventy-two".