2212220999 has 4 divisors (see below), whose sum is σ = 2342351664. Its totient is φ = 2082090336.

The previous prime is 2212220987. The next prime is 2212221013. The reversal of 2212220999 is 9990222122.

2212220999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2212220999 - 2²⁰ = 2211172423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212220909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65065307 + ... + 65065340.

It is an arithmetic number, because the mean of its divisors is an integer number (585587916).

Almost surely, 2^2212220999 is an apocalyptic number.

2212220999 is a deficient number, since it is larger than the sum of its proper divisors (130130665).

2212220999 is a wasteful number, since it uses less digits than its factorization.

2212220999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130130664.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2212220999 is about 47034.2534648951. The cubic root of 2212220999 is about 1302.9952628971.

The spelling of 2212220999 in words is "two billion, two hundred twelve million, two hundred twenty thousand, nine hundred ninety-nine".