22223222232222 has 192 divisors, whose sum is σ = 50165360888832. Its totient is φ = 6504993792000.

The previous prime is 22223222232143. The next prime is 22223222232229.

22223222232222 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22223222232222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223222232229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62955303598 + ... + 62955303950.

It is an arithmetic number, because the mean of its divisors is an integer number (261277921296).

Almost surely, 2^{22223222232222} is an apocalyptic number.

22223222232222 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 22223222232222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25082680444416).

22223222232222 is an abundant number, since it is smaller than the sum of its proper divisors (27942138656610).

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

22223222232222 is a wasteful number, since it uses less digits than its factorization.

22223222232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 974 counting only the distinct ones).

The product of its digits is 36864, while the sum is 30.

It can be divided in two parts, 2222322 and 2232222, that added together give a palindrome (4454544).

The spelling of 22223222232222 in words is "twenty-two trillion, two hundred twenty-three billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twenty-two".