22001999999 has 8 divisors (see below), whose sum is σ = 25375833120. Its totient is φ = 18685839456.

The previous prime is 22001999983. The next prime is 22002000023. The reversal of 22001999999 is 99999910022.

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

It is a cyclic number.

It is not a de Polignac number, because 22001999999 - 2⁴ = 22001999983 is a prime.

It is a Duffinian number.

22001999999 is a modest number, since divided by 999999 gives 22001 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001999909) 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, 14417324 + ... + 14418849.

It is an arithmetic number, because the mean of its divisors is an integer number (3171979140).

Almost surely, 2^22001999999 is an apocalyptic number.

22001999999 is a deficient number, since it is larger than the sum of its proper divisors (3373833121).

22001999999 is a wasteful number, since it uses less digits than its factorization.

22001999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28836289.

The product of its (nonzero) digits is 2125764, while the sum is 59.

The spelling of 22001999999 in words is "twenty-two billion, one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".