20222122001 has 4 divisors (see below), whose sum is σ = 20692403952. Its totient is φ = 19751840052.

The previous prime is 20222121991. The next prime is 20222122003. The reversal of 20222122001 is 10022122202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20222122001 - 2¹⁰ = 20222120977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20222122003) 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, 235140911 + ... + 235140996.

It is an arithmetic number, because the mean of its divisors is an integer number (5173100988).

Almost surely, 2^20222122001 is an apocalyptic number.

It is an amenable number.

20222122001 is a deficient number, since it is larger than the sum of its proper divisors (470281951).

20222122001 is an equidigital number, since it uses as much as digits as its factorization.

20222122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470281950.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20222122001 its reverse (10022122202), we get a palindrome (30244244203).

The spelling of 20222122001 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one".