2000022209 has 8 divisors (see below), whose sum is σ = 2011457448. Its totient is φ = 1988600320.

The previous prime is 2000022203. The next prime is 2000022253. The reversal of 2000022209 is 9022200002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1454659600 + 545362609 = 38140^2 + 23353^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000022209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000022203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521519 + ... + 525339.

It is an arithmetic number, because the mean of its divisors is an integer number (251432181).

Almost surely, 2^2000022209 is an apocalyptic number.

It is an amenable number.

2000022209 is a deficient number, since it is larger than the sum of its proper divisors (11435239).

2000022209 is a wasteful number, since it uses less digits than its factorization.

2000022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2000022209 is about 44721.6078534750. The cubic root of 2000022209 is about 1259.9257134754.

The spelling of 2000022209 in words is "two billion, twenty-two thousand, two hundred nine".