20221022211 has 24 divisors (see below), whose sum is σ = 29323627200. Its totient is φ = 12388817376.

The previous prime is 20221022191. The next prime is 20221022219. The reversal of 20221022211 is 11222012202.

It is not a de Polignac number, because 20221022211 - 2¹⁵ = 20220989443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221022219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27240 + ... + 202938.

It is an arithmetic number, because the mean of its divisors is an integer number (1221817800).

Almost surely, 2^20221022211 is an apocalyptic number.

20221022211 is a deficient number, since it is larger than the sum of its proper divisors (9102604989).

20221022211 is a wasteful number, since it uses less digits than its factorization.

20221022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175955 (or 175942 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20221022211 its reverse (11222012202), we get a palindrome (31443034413).

The spelling of 20221022211 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand, two hundred eleven".