22042441212 has 48 divisors (see below), whose sum is σ = 56143487232. Its totient is φ = 6675306880.

The previous prime is 22042441199. The next prime is 22042441243. The reversal of 22042441212 is 21214424022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160168 + ... + 264080.

It is an arithmetic number, because the mean of its divisors is an integer number (1169655984).

Almost surely, 2^22042441212 is an apocalyptic number.

22042441212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22042441212 is an abundant number, since it is smaller than the sum of its proper divisors (34101046020).

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

22042441212 is a wasteful number, since it uses less digits than its factorization.

22042441212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105538 (or 105536 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22042441212 its reverse (21214424022), we get a palindrome (43256865234).

The spelling of 22042441212 in words is "twenty-two billion, forty-two million, four hundred forty-one thousand, two hundred twelve".