22223222423244 has 192 divisors, whose sum is σ = 58583238676480. Its totient is φ = 7284007503360.

The previous prime is 22223222423153. The next prime is 22223222423293. The reversal of 22223222423244 is 44232422232222.

22223222423244 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 3 + 222 + 423 + 2 + 4 + 4 = 666.

It is a super-2 number, since 2×22223222423244² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 22223222423199 and 22223222423208.

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, 3837541989 + ... + 3837547779.

Almost surely, 2^{22223222423244} 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 22223222423244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29291619338240).

22223222423244 is an abundant number, since it is smaller than the sum of its proper divisors (36360016253236).

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

22223222423244 is a wasteful number, since it uses less digits than its factorization.

22223222423244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277 (or 7269 counting only the distinct ones).

The product of its digits is 294912, while the sum is 36.

Adding to 22223222423244 its reverse (44232422232222), we get a palindrome (66455644655466).

The spelling of 22223222423244 in words is "twenty-two trillion, two hundred twenty-three billion, two hundred twenty-two million, four hundred twenty-three thousand, two hundred forty-four".