22020099 has 4 divisors (see below), whose sum is σ = 29360136. Its totient is φ = 14680064.

The previous prime is 22020091. The next prime is 22020127. The reversal of 22020099 is 99002022.

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 22020099 - 2³ = 22020091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670014 + ... + 3670019.

It is an arithmetic number, because the mean of its divisors is an integer number (7340034).

Almost surely, 2^22020099 is an apocalyptic number.

22020099 is a deficient number, since it is larger than the sum of its proper divisors (7340037).

22020099 is an equidigital number, since it uses as much as digits as its factorization.

22020099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340036.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 22020099 is about 4692.5578312899. The cubic root of 22020099 is about 280.2892376816.

The spelling of 22020099 in words is "twenty-two million, twenty thousand, ninety-nine".