222213402000 has 320 divisors, whose sum is σ = 796881496320. Its totient is φ = 59192640000.

The previous prime is 222213401989. The next prime is 222213402017. The reversal of 222213402000 is 204312222.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 70252419 + ... + 70255581.

It is an arithmetic number, because the mean of its divisors is an integer number (2490254676).

Almost surely, 2^222213402000 is an apocalyptic number.

222213402000 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 222213402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398440748160).

222213402000 is an abundant number, since it is smaller than the sum of its proper divisors (574668094320).

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

222213402000 is a wasteful number, since it uses less digits than its factorization.

222213402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222213402000 its reverse (204312222), we get a palindrome (222417714222).

The spelling of 222213402000 in words is "two hundred twenty-two billion, two hundred thirteen million, four hundred two thousand".