22102002212220 has 72 divisors (see below), whose sum is σ = 76620274340064. Its totient is φ = 5051886219648.

The previous prime is 22102002212201. The next prime is 22102002212239. The reversal of 22102002212220 is 2221220020122.

22102002212220 is a `hidden beast` number, since 2 + 21 + 0 + 200 + 221 + 2 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (22102002212201) and next prime (22102002212239).

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 = 22102002212193 and 22102002212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8770634539 + ... + 8770637058.

Almost surely, 2^{22102002212220} is an apocalyptic number.

22102002212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102002212220 is an abundant number, since it is smaller than the sum of its proper divisors (54518272127844).

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

22102002212220 is a wasteful number, since it uses less digits than its factorization.

22102002212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17541271619 (or 17541271614 counting only the distinct ones).

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

Adding to 22102002212220 its reverse (2221220020122), we get a palindrome (24323222232342).

The spelling of 22102002212220 in words is "twenty-two trillion, one hundred two billion, two million, two hundred twelve thousand, two hundred twenty".