22101200022 has 32 divisors (see below), whose sum is σ = 49130634240. Its totient is φ = 6570967520.

The previous prime is 22101199987. The next prime is 22101200039. The reversal of 22101200022 is 22000210122.

It is a junction number, because it is equal to n+sod(n) for n = 22101199980 and 22101200007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3155622 + ... + 3162617.

It is an arithmetic number, because the mean of its divisors is an integer number (1535332320).

Almost surely, 2^22101200022 is an apocalyptic number.

22101200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22101200022 is an abundant number, since it is smaller than the sum of its proper divisors (27029434218).

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

22101200022 is a wasteful number, since it uses less digits than its factorization.

22101200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318308.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22101200022 its reverse (22000210122), we get a palindrome (44101410144).

The spelling of 22101200022 in words is "twenty-two billion, one hundred one million, two hundred thousand, twenty-two".