22220033999 has 4 divisors (see below), whose sum is σ = 22487745336. Its totient is φ = 21952322664.

The previous prime is 22220033989. The next prime is 22220034029. The reversal of 22220033999 is 99933002222.

22220033999 = 11487² + 11488² + ... + 11652².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99933002222 = 2 ⋅49966501111.

It is a cyclic number.

It is not a de Polignac number, because 22220033999 - 2⁸ = 22220033743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220033989) 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, 133855544 + ... + 133855709.

It is an arithmetic number, because the mean of its divisors is an integer number (5621936334).

Almost surely, 2^22220033999 is an apocalyptic number.

22220033999 is a deficient number, since it is larger than the sum of its proper divisors (267711337).

22220033999 is an equidigital number, since it uses as much as digits as its factorization.

22220033999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267711336.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 22220033999 in words is "twenty-two billion, two hundred twenty million, thirty-three thousand, nine hundred ninety-nine".