22200224442 has 64 divisors (see below), whose sum is σ = 49803977088. Its totient is φ = 6537888000.

The previous prime is 22200224441. The next prime is 22200224561. The reversal of 22200224442 is 24442200222.

It is a super-2 number, since 2×22200224442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22200224441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2293092 + ... + 2302752.

It is an arithmetic number, because the mean of its divisors is an integer number (778187142).

Almost surely, 2^22200224442 is an apocalyptic number.

22200224442 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 22200224442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24901988544).

22200224442 is an abundant number, since it is smaller than the sum of its proper divisors (27603752646).

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

22200224442 is a wasteful number, since it uses less digits than its factorization.

22200224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22200224442 its reverse (24442200222), we get a palindrome (46642424664).

It can be divided in two parts, 22200 and 224442, that added together give a palindrome (246642).

The spelling of 22200224442 in words is "twenty-two billion, two hundred million, two hundred twenty-four thousand, four hundred forty-two".