22042230444 has 72 divisors (see below), whose sum is σ = 60182333120. Its totient is φ = 6762051072.

The previous prime is 22042230407. The next prime is 22042230449. The reversal of 22042230444 is 44403224022.

It is not an unprimeable number, because it can be changed into a prime (22042230449) 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, 87837 + ... + 227595.

Almost surely, 2^22042230444 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 22042230444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30091166560).

22042230444 is an abundant number, since it is smaller than the sum of its proper divisors (38140102676).

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

22042230444 is a wasteful number, since it uses less digits than its factorization.

22042230444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140119 (or 140114 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22042230444 its reverse (44403224022), we get a palindrome (66445454466).

The spelling of 22042230444 in words is "twenty-two billion, forty-two million, two hundred thirty thousand, four hundred forty-four".