22240143012 has 48 divisors (see below), whose sum is σ = 52024678272. Its totient is φ = 7394695680.

The previous prime is 22240142971. The next prime is 22240143041. The reversal of 22240143012 is 21034104222.

It is a super-3 number, since 3×22240143012³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22240143012.

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, 12514668 + ... + 12516444.

It is an arithmetic number, because the mean of its divisors is an integer number (1083847464).

Almost surely, 2^22240143012 is an apocalyptic number.

It is an amenable number.

22240143012 is an abundant number, since it is smaller than the sum of its proper divisors (29784535260).

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

22240143012 is a wasteful number, since it uses less digits than its factorization.

22240143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22240143012 its reverse (21034104222), we get a palindrome (43274247234).

The spelling of 22240143012 in words is "twenty-two billion, two hundred forty million, one hundred forty-three thousand, twelve".