22210100212220 has 24 divisors (see below), whose sum is σ = 46875588396000. Its totient is φ = 8839396665792.

The previous prime is 22210100212187. The next prime is 22210100212229. The reversal of 22210100212220 is 2221200101222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210100212229) 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, 2790209615 + ... + 2790217574.

It is an arithmetic number, because the mean of its divisors is an integer number (1953149516500).

Almost surely, 2^{22210100212220} is an apocalyptic number.

22210100212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210100212220 is an abundant number, since it is smaller than the sum of its proper divisors (24665488183780).

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

22210100212220 is a wasteful number, since it uses less digits than its factorization.

22210100212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580427397 (or 5580427395 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22210100212220 its reverse (2221200101222), we get a palindrome (24431300313442).

The spelling of 22210100212220 in words is "twenty-two trillion, two hundred ten billion, one hundred million, two hundred twelve thousand, two hundred twenty".