222004660000 has 120 divisors (see below), whose sum is σ = 551180862540. Its totient is φ = 87986304000.

The previous prime is 222004659979. The next prime is 222004660021. The reversal of 222004660000 is 66400222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222004659979) and next prime (222004660021).

It can be written as a sum of positive squares in 10 ways, for example, as 3642846736 + 218361813264 = 60356^2 + 467292^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2129082 + ... + 2230918.

Almost surely, 2^222004660000 is an apocalyptic number.

222004660000 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 222004660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275590431270).

222004660000 is an abundant number, since it is smaller than the sum of its proper divisors (329176202540).

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

222004660000 is a wasteful number, since it uses less digits than its factorization.

222004660000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101976 (or 101953 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The spelling of 222004660000 in words is "two hundred twenty-two billion, four million, six hundred sixty thousand".