222220022000 has 160 divisors (see below), whose sum is σ = 571397696064. Its totient is φ = 83297280000.

The previous prime is 222220021999. The next prime is 222220022053. The reversal of 222220022000 is 220022222.

It is a happy number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7907975 + ... + 7936025.

Almost surely, 2^222220022000 is an apocalyptic number.

222220022000 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 222220022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285698848032).

222220022000 is an abundant number, since it is smaller than the sum of its proper divisors (349177674064).

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

222220022000 is a wasteful number, since it uses less digits than its factorization.

222220022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28324 (or 28308 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222220022000 its reverse (220022222), we get a palindrome (222440044222).

The spelling of 222220022000 in words is "two hundred twenty-two billion, two hundred twenty million, twenty-two thousand".