22443250143212 has 24 divisors (see below), whose sum is σ = 41343206016000. Its totient is φ = 10630916333136.

The previous prime is 22443250143211. The next prime is 22443250143229. The reversal of 22443250143212 is 21234105234422.

It is not an unprimeable number, because it can be changed into a prime (22443250143211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7421093 + ... + 9997955.

It is an arithmetic number, because the mean of its divisors is an integer number (1722633584000).

Almost surely, 2^{22443250143212} is an apocalyptic number.

It is an amenable number.

22443250143212 is a deficient number, since it is larger than the sum of its proper divisors (18899955872788).

22443250143212 is a wasteful number, since it uses less digits than its factorization.

22443250143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691485 (or 2691483 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 22443250143212 its reverse (21234105234422), we get a palindrome (43677355377634).

The spelling of 22443250143212 in words is "twenty-two trillion, four hundred forty-three billion, two hundred fifty million, one hundred forty-three thousand, two hundred twelve".