22441022224012 has 72 divisors (see below), whose sum is σ = 46021479999264. Its totient is φ = 9546654878208.

The previous prime is 22441022223967. The next prime is 22441022224013. The reversal of 22441022224012 is 21042222014422.

It is a super-2 number, since 2×22441022224012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22441022224013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16047873 + ... + 17390119.

It is an arithmetic number, because the mean of its divisors is an integer number (639187222212).

Almost surely, 2^{22441022224012} 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 22441022224012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23010739999632).

22441022224012 is an abundant number, since it is smaller than the sum of its proper divisors (23580457775252).

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

22441022224012 is a wasteful number, since it uses less digits than its factorization.

22441022224012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342895 (or 1342886 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 22441022224012 its reverse (21042222014422), we get a palindrome (43483244238434).

The spelling of 22441022224012 in words is "twenty-two trillion, four hundred forty-one billion, twenty-two million, two hundred twenty-four thousand, twelve".