222012021999 has 8 divisors (see below), whose sum is σ = 305564933632. Its totient is φ = 143233562520.

The previous prime is 222012021991. The next prime is 222012022027. The reversal of 222012021999 is 999120210222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222012021999 - 2³ = 222012021991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012021991) 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 7 ways as a sum of consecutive naturals, for example, 1193612929 + ... + 1193613114.

It is an arithmetic number, because the mean of its divisors is an integer number (38195616704).

Almost surely, 2^222012021999 is an apocalyptic number.

222012021999 is a deficient number, since it is larger than the sum of its proper divisors (83552911633).

222012021999 is a wasteful number, since it uses less digits than its factorization.

222012021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387226077.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 222012021999 in words is "two hundred twenty-two billion, twelve million, twenty-one thousand, nine hundred ninety-nine".