20222099 has 4 divisors (see below), whose sum is σ = 21286440. Its totient is φ = 19157760.

The previous prime is 20222087. The next prime is 20222101. The reversal of 20222099 is 99022202.

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 20222099 - 2⁸ = 20221843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221099) 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, 532142 + ... + 532179.

It is an arithmetic number, because the mean of its divisors is an integer number (5321610).

Almost surely, 2^20222099 is an apocalyptic number.

20222099 is a deficient number, since it is larger than the sum of its proper divisors (1064341).

20222099 is a wasteful number, since it uses less digits than its factorization.

20222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064340.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20222099 is about 4496.8988202983. The cubic root of 20222099 is about 272.4428474815.

The spelling of 20222099 in words is "twenty million, two hundred twenty-two thousand, ninety-nine".