20022201222 has 16 divisors (see below), whose sum is σ = 40172343600. Its totient is φ = 6652743552.

The previous prime is 20022201203. The next prime is 20022201223. The reversal of 20022201222 is 22210222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022201223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5328847 + ... + 5332602.

It is an arithmetic number, because the mean of its divisors is an integer number (2510771475).

Almost surely, 2^20022201222 is an apocalyptic number.

20022201222 is an abundant number, since it is smaller than the sum of its proper divisors (20150142378).

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

20022201222 is a wasteful number, since it uses less digits than its factorization.

20022201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661767.

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

Adding to 20022201222 its reverse (22210222002), we get a palindrome (42232423224).

The spelling of 20022201222 in words is "twenty billion, twenty-two million, two hundred one thousand, two hundred twenty-two".