20221011222 has 16 divisors (see below), whose sum is σ = 40462156992. Its totient is φ = 6736981320.

The previous prime is 20221011157. The next prime is 20221011227. The reversal of 20221011222 is 22211012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221011227) 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, 825868 + ... + 849999.

It is an arithmetic number, because the mean of its divisors is an integer number (2528884812).

Almost surely, 2^20221011222 is an apocalyptic number.

20221011222 is an abundant number, since it is smaller than the sum of its proper divisors (20241145770).

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

20221011222 is a wasteful number, since it uses less digits than its factorization.

20221011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677883.

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

Adding to 20221011222 its reverse (22211012202), we get a palindrome (42432023424).

The spelling of 20221011222 in words is "twenty billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".