20220201222 has 64 divisors (see below), whose sum is σ = 45305568000. Its totient is φ = 5973383808.

The previous prime is 20220201203. The next prime is 20220201227. The reversal of 20220201222 is 22210202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379929 + ... + 429867.

It is an arithmetic number, because the mean of its divisors is an integer number (707899500).

Almost surely, 2^20220201222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22652784000).

20220201222 is an abundant number, since it is smaller than the sum of its proper divisors (25085366778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220201222 is a wasteful number, since it uses less digits than its factorization.

20220201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50165.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20220201222 its reverse (22210202202), we get a palindrome (42430403424).

The spelling of 20220201222 in words is "twenty billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".