3119222772 has 18 divisors (see below), whose sum is σ = 7884702098. Its totient is φ = 1039740912.

The previous prime is 3119222707. The next prime is 3119222773. The reversal of 3119222772 is 2772229113.

It can be written as a sum of positive squares in only one way, i.e., 3072928356 + 46294416 = 55434^2 + 6804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 86645077 = 3119222772 / (3 + 1 + 1 + 9 + 2 + 2 + 2 + 7 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3119222773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43322503 + ... + 43322574.

Almost surely, 2^3119222772 is an apocalyptic number.

It is an amenable number.

3119222772 is an abundant number, since it is smaller than the sum of its proper divisors (4765479326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3119222772 is a wasteful number, since it uses less digits than its factorization.

3119222772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86645087 (or 86645082 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 3119222772 is about 55850.0024350939. The cubic root of 3119222772 is about 1461.1073684247.

The spelling of 3119222772 in words is "three billion, one hundred nineteen million, two hundred twenty-two thousand, seven hundred seventy-two".