2210219999 has 4 divisors (see below), whose sum is σ = 2380236936. Its totient is φ = 2040203064.

The previous prime is 2210219993. The next prime is 2210220043. The reversal of 2210219999 is 9999120122.

It is a happy number.

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 2210219999 - 2⁸ = 2210219743 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 (2210219993) 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, 85008449 + ... + 85008474.

It is an arithmetic number, because the mean of its divisors is an integer number (595059234).

Almost surely, 2^2210219999 is an apocalyptic number.

2210219999 is a deficient number, since it is larger than the sum of its proper divisors (170016937).

2210219999 is a wasteful number, since it uses less digits than its factorization.

2210219999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170016936.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 2210219999 is about 47012.9769212714. The cubic root of 2210219999 is about 1302.6022822629.

The spelling of 2210219999 in words is "two billion, two hundred ten million, two hundred nineteen thousand, nine hundred ninety-nine".