221231203022022 has 16 divisors (see below), whose sum is σ = 468489606399792. Its totient is φ = 69405867614720.

The previous prime is 221231203022003. The next prime is 221231203022029. The reversal of 221231203022022 is 220220302132122.

221231203022022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221231203022022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221231203021983 and 221231203022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221231203022029) 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, 1084466681379 + ... + 1084466681582.

It is an arithmetic number, because the mean of its divisors is an integer number (29280600399987).

Almost surely, 2^{221231203022022} is an apocalyptic number.

221231203022022 is an abundant number, since it is smaller than the sum of its proper divisors (247258403377770).

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

221231203022022 is a wasteful number, since it uses less digits than its factorization.

221231203022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168933362983.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221231203022022 its reverse (220220302132122), we get a palindrome (441451505154144).

The spelling of 221231203022022 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, two hundred three million, twenty-two thousand, twenty-two".