22021222100022 has 48 divisors (see below), whose sum is σ = 49275314262720. Its totient is φ = 7103506793856.

The previous prime is 22021222099993. The next prime is 22021222100083. The reversal of 22021222100022 is 22000122212022.

22021222100022 is a `hidden beast` number, since 220 + 212 + 2 + 210 + 0 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22021222099968 and 22021222100004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146159613 + ... + 146310200.

It is an arithmetic number, because the mean of its divisors is an integer number (1026569047140).

Almost surely, 2^{22021222100022} is an apocalyptic number.

22021222100022 is an abundant number, since it is smaller than the sum of its proper divisors (27254092162698).

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

22021222100022 is a wasteful number, since it uses less digits than its factorization.

22021222100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292469957 (or 292469954 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22021222100022 its reverse (22000122212022), we get a palindrome (44021344312044).

The spelling of 22021222100022 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-two million, one hundred thousand, twenty-two".