222100000220 has 24 divisors (see below), whose sum is σ = 533040000864. Its totient is φ = 76148571456.

The previous prime is 222100000217. The next prime is 222100000237. The reversal of 222100000220 is 22000001222.

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, 793214147 + ... + 793214426.

It is an arithmetic number, because the mean of its divisors is an integer number (22210000036).

Almost surely, 2^222100000220 is an apocalyptic number.

222100000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100000220 is an abundant number, since it is smaller than the sum of its proper divisors (310940000644).

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

222100000220 is a wasteful number, since it uses less digits than its factorization.

222100000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586428589 (or 1586428587 counting only the distinct ones).

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

Adding to 222100000220 its reverse (22000001222), we get a palindrome (244100001442).

The spelling of 222100000220 in words is "two hundred twenty-two billion, one hundred million, two hundred twenty", and thus it is an aban number.