2221232019 has 16 divisors (see below), whose sum is σ = 3175557120. Its totient is φ = 1376069760.

The previous prime is 2221232011. The next prime is 2221232021. The reversal of 2221232019 is 9102321222.

It is not a de Polignac number, because 2221232019 - 2³ = 2221232011 is a prime.

It is a super-2 number, since 2×2221232019² = 9867743364461632722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2221232019.

It is not an unprimeable number, because it can be changed into a prime (2221232011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271627 + ... + 279684.

It is an arithmetic number, because the mean of its divisors is an integer number (198472320).

Almost surely, 2^2221232019 is an apocalyptic number.

2221232019 is a deficient number, since it is larger than the sum of its proper divisors (954325101).

2221232019 is a wasteful number, since it uses less digits than its factorization.

2221232019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551410.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2221232019 is about 47129.9482176673. The cubic root of 2221232019 is about 1304.7620258658.

The spelling of 2221232019 in words is "two billion, two hundred twenty-one million, two hundred thirty-two thousand, nineteen".