20221201222 has 8 divisors (see below), whose sum is σ = 30829044672. Its totient is φ = 9944853000.

The previous prime is 20221201219. The next prime is 20221201243. The reversal of 20221201222 is 22210212202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20221201222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20221201196 and 20221201205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82873654 + ... + 82873897.

It is an arithmetic number, because the mean of its divisors is an integer number (3853630584).

Almost surely, 2^20221201222 is an apocalyptic number.

20221201222 is a deficient number, since it is larger than the sum of its proper divisors (10607843450).

20221201222 is a wasteful number, since it uses less digits than its factorization.

20221201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165747614.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20221201222 its reverse (22210212202), we get a palindrome (42431413424).

The spelling of 20221201222 in words is "twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-two".