222213000100 has 144 divisors (see below), whose sum is σ = 601611299968. Its totient is φ = 69363164160.

The previous prime is 222213000071. The next prime is 222213000137. The reversal of 222213000100 is 1000312222.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497047 + ... + 831553.

Almost surely, 2^222213000100 is an apocalyptic number.

222213000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222213000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300805649984).

222213000100 is an abundant number, since it is smaller than the sum of its proper divisors (379398299868).

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

222213000100 is a wasteful number, since it uses less digits than its factorization.

222213000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334614 (or 334607 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 222213000100 its reverse (1000312222), we get a palindrome (223213312322).

The spelling of 222213000100 in words is "two hundred twenty-two billion, two hundred thirteen million, one hundred", and thus it is an aban number.