2222131969 has 4 divisors (see below), whose sum is σ = 2245040644. Its totient is φ = 2199223296.

The previous prime is 2222131939. The next prime is 2222131997. The reversal of 2222131969 is 9691312222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 578883600 + 1643248369 = 24060^2 + 40537^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222131969 - 2⁵ = 2222131937 is a prime.

It is a super-2 number, since 2×2222131969² = 9875740975303633922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222131939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11454192 + ... + 11454385.

It is an arithmetic number, because the mean of its divisors is an integer number (561260161).

Almost surely, 2^2222131969 is an apocalyptic number.

It is an amenable number.

2222131969 is a deficient number, since it is larger than the sum of its proper divisors (22908675).

2222131969 is an equidigital number, since it uses as much as digits as its factorization.

2222131969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22908674.

The product of its digits is 23328, while the sum is 37.

The square root of 2222131969 is about 47139.4947894014. The cubic root of 2222131969 is about 1304.9382136795.

The spelling of 2222131969 in words is "two billion, two hundred twenty-two million, one hundred thirty-one thousand, nine hundred sixty-nine".