222220002000 has 320 divisors, whose sum is σ = 737865273600. Its totient is φ = 57495398400.

The previous prime is 222220001951. The next prime is 222220002019. The reversal of 222220002000 is 200022222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93016806 + ... + 93019194.

It is an arithmetic number, because the mean of its divisors is an integer number (2305828980).

Almost surely, 2^222220002000 is an apocalyptic number.

222220002000 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 222220002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368932636800).

222220002000 is an abundant number, since it is smaller than the sum of its proper divisors (515645271600).

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

222220002000 is a wasteful number, since it uses less digits than its factorization.

222220002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 222220002000 its reverse (200022222), we get a palindrome (222420024222).

The spelling of 222220002000 in words is "two hundred twenty-two billion, two hundred twenty million, two thousand".