22420004224443 has 32 divisors (see below), whose sum is σ = 34851444134400. Its totient is φ = 12554168030976.

The previous prime is 22420004224433. The next prime is 22420004224523. The reversal of 22420004224443 is 34442240002422.

It is a happy number.

It is not a de Polignac number, because 22420004224443 - 2⁹ = 22420004223931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22420004224433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11549373 + ... + 13350206.

It is an arithmetic number, because the mean of its divisors is an integer number (1089107629200).

Almost surely, 2^{22420004224443} is an apocalyptic number.

22420004224443 is a deficient number, since it is larger than the sum of its proper divisors (12431439909957).

22420004224443 is a wasteful number, since it uses less digits than its factorization.

22420004224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900451.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 22420004224443 its reverse (34442240002422), we get a palindrome (56862244226865).

The spelling of 22420004224443 in words is "twenty-two trillion, four hundred twenty billion, four million, two hundred twenty-four thousand, four hundred forty-three".