22232212200000 has 1008 divisors, whose sum is σ = 89243014206528. Its totient is φ = 5243788800000.

The previous prime is 22232212199999. The next prime is 22232212200059. The reversal of 22232212200000 is 221223222.

22232212200000 is a `hidden beast` number, since 2 + 223 + 221 + 220 + 0 + 0 + 0 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 732584827 + ... + 732615173.

It is an arithmetic number, because the mean of its divisors is an integer number (88534736316).

Almost surely, 2^{22232212200000} is an apocalyptic number.

22232212200000 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 22232212200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44621507103264).

22232212200000 is an abundant number, since it is smaller than the sum of its proper divisors (67010802006528).

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

22232212200000 is a wasteful number, since it uses less digits than its factorization.

22232212200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30438 (or 30405 counting only the distinct ones).

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

Adding to 22232212200000 its reverse (221223222), we get a palindrome (22232433423222).

The spelling of 22232212200000 in words is "twenty-two trillion, two hundred thirty-two billion, two hundred twelve million, two hundred thousand".