222112012019 has 4 divisors (see below), whose sum is σ = 225427116744. Its totient is φ = 218796907296.

The previous prime is 222112011949. The next prime is 222112012037. The reversal of 222112012019 is 910210211222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222112012019 is a prime.

It is a super-2 number, since 2×222112012019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222112011985 and 222112012003.

It is not an unprimeable number, because it can be changed into a prime (222112011019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657552262 + ... + 1657552395.

It is an arithmetic number, because the mean of its divisors is an integer number (56356779186).

Almost surely, 2^222112012019 is an apocalyptic number.

222112012019 is a deficient number, since it is larger than the sum of its proper divisors (3315104725).

222112012019 is an equidigital number, since it uses as much as digits as its factorization.

222112012019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315104724.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 222112012019 in words is "two hundred twenty-two billion, one hundred twelve million, twelve thousand, nineteen".