3222719361 has 27 divisors (see below), whose sum is σ = 4723682691. Its totient is φ = 2117256624.

The previous prime is 3222719347. The next prime is 3222719369. The reversal of 3222719361 is 1639172223.

The square root of 3222719361 is 56769.

It is a perfect power (a square), and thus also a powerful number.

3222719361 is a `hidden beast` number, since 3 + 22 + 271 + 9 + 361 = 666.

It can be written as a sum of positive squares in only one way, i.e., 377563761 + 2845155600 = 19431^2 + 53340^2 .

It is not a de Polignac number, because 3222719361 - 2⁷ = 3222719233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3222719369) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21628915 + ... + 21629063.

Almost surely, 2^3222719361 is an apocalyptic number.

3222719361 is the 56769-th square number.

3222719361 is the 28385-th centered octagonal number.

It is an amenable number.

3222719361 is a deficient number, since it is larger than the sum of its proper divisors (1500963330).

3222719361 is an equidigital number, since it uses as much as digits as its factorization.

3222719361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 279 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The cubic root of 3222719361 is about 1477.0918301848.

Multiplying 3222719361 by its sum of digits (36), we get a square (116017896996 = 340614²).

The spelling of 3222719361 in words is "three billion, two hundred twenty-two million, seven hundred nineteen thousand, three hundred sixty-one".