222122312000 has 224 divisors, whose sum is σ = 582453780480. Its totient is φ = 83676211200.

The previous prime is 222122311951. The next prime is 222122312017. The reversal of 222122312000 is 213221222.

It is a self number, because there is not a number n which added to its sum of digits gives 222122312000.

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, 26291777 + ... + 26300223.

Almost surely, 2^222122312000 is an apocalyptic number.

222122312000 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 222122312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291226890240).

222122312000 is an abundant number, since it is smaller than the sum of its proper divisors (360331468480).

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

222122312000 is a wasteful number, since it uses less digits than its factorization.

222122312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666 (or 8646 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222122312000 its reverse (213221222), we get a palindrome (222335533222).

The spelling of 222122312000 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twelve thousand".