222215412264216 has 256 divisors, whose sum is σ = 657768408192000. Its totient is φ = 61209953925120.

The previous prime is 222215412264169. The next prime is 222215412264239. The reversal of 222215412264216 is 612462214512222.

It is a super-3 number, since 3×222215412264216³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 10488279975 + ... + 10488301161.

It is an arithmetic number, because the mean of its divisors is an integer number (2569407844500).

Almost surely, 2^{222215412264216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222215412264216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328884204096000).

222215412264216 is an abundant number, since it is smaller than the sum of its proper divisors (435552995927784).

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

222215412264216 is a wasteful number, since it uses less digits than its factorization.

222215412264216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24322 (or 24318 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

Adding to 222215412264216 its reverse (612462214512222), we get a palindrome (834677626776438).

The spelling of 222215412264216 in words is "two hundred twenty-two trillion, two hundred fifteen billion, four hundred twelve million, two hundred sixty-four thousand, two hundred sixteen".