22000099 has 8 divisors (see below), whose sum is σ = 24199920. Its totient is φ = 19998880.

The previous prime is 22000087. The next prime is 22000103. The reversal of 22000099 is 99000022.

It is not a de Polignac number, because 22000099 - 2¹⁵ = 21967331 is a prime.

It is a Duffinian number.

22000099 is a modest number, since divided by 99 gives 22 as remainder.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22000399) 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, 6934 + ... + 9595.

It is an arithmetic number, because the mean of its divisors is an integer number (3024990).

Almost surely, 2^22000099 is an apocalyptic number.

22000099 is a deficient number, since it is larger than the sum of its proper divisors (2199821).

22000099 is an equidigital number, since it uses as much as digits as its factorization.

22000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562 (or 16540 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 22000099 is about 4690.4263132470. The cubic root of 22000099 is about 280.2043533708.

Adding to 22000099 its reverse (99000022), we get a palindrome (121000121).

The spelling of 22000099 in words is "twenty-two million, ninety-nine", and thus it is an aban number and an uban number.