22240321443 has 8 divisors (see below), whose sum is σ = 32948624400. Its totient is φ = 14826880944.

The previous prime is 22240321423. The next prime is 22240321483. The reversal of 22240321443 is 34412304222.

22240321443 is a `hidden beast` number, since 2 + 2 + 2 + 403 + 214 + 43 = 666.

It is not a de Polignac number, because 22240321443 - 2¹² = 22240317347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 823715609 = 22240321443 / (2 + 2 + 2 + 4 + 0 + 3 + 2 + 1 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (22240321423) 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, 411857778 + ... + 411857831.

It is an arithmetic number, because the mean of its divisors is an integer number (4118578050).

Almost surely, 2^22240321443 is an apocalyptic number.

22240321443 is a deficient number, since it is larger than the sum of its proper divisors (10708302957).

22240321443 is an equidigital number, since it uses as much as digits as its factorization.

22240321443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823715618 (or 823715612 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22240321443 its reverse (34412304222), we get a palindrome (56652625665).

The spelling of 22240321443 in words is "twenty-two billion, two hundred forty million, three hundred twenty-one thousand, four hundred forty-three".