22100020022 has 16 divisors (see below), whose sum is σ = 33942281472. Its totient is φ = 10786249320.

The previous prime is 22100019989. The next prime is 22100020037. The reversal of 22100020022 is 22002000122.

It is a junction number, because it is equal to n+sod(n) for n = 22100019985 and 22100020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58247 + ... + 218157.

It is an arithmetic number, because the mean of its divisors is an integer number (2121392592).

Almost surely, 2^22100020022 is an apocalyptic number.

22100020022 is a deficient number, since it is larger than the sum of its proper divisors (11842261450).

22100020022 is a wasteful number, since it uses less digits than its factorization.

22100020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161563.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22100020022 its reverse (22002000122), we get a palindrome (44102020144).

The spelling of 22100020022 in words is "twenty-two billion, one hundred million, twenty thousand, twenty-two".