222011111322 has 384 divisors, whose sum is σ = 692193116160. Its totient is φ = 49535608320.

The previous prime is 222011111291. The next prime is 222011111369. The reversal of 222011111322 is 223111110222.

222011111322 is a `hidden beast` number, since 2 + 220 + 11 + 111 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222011111295 and 222011111304.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15326079 + ... + 15340557.

It is an arithmetic number, because the mean of its divisors is an integer number (1802586240).

Almost surely, 2^222011111322 is an apocalyptic number.

222011111322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222011111322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346096558080).

222011111322 is an abundant number, since it is smaller than the sum of its proper divisors (470182004838).

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

222011111322 is a wasteful number, since it uses less digits than its factorization.

222011111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14578 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 222011111322 its reverse (223111110222), we get a palindrome (445122221544).

It can be divided in two parts, 222011 and 111322, that added together give a palindrome (333333).

The spelling of 222011111322 in words is "two hundred twenty-two billion, eleven million, one hundred eleven thousand, three hundred twenty-two".