22446464422 has 64 divisors (see below), whose sum is σ = 35698537728. Its totient is φ = 10575360000.

The previous prime is 22446464399. The next prime is 22446464429.

22446464422 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22446464422² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22446464429) 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, 82828147 + ... + 82828417.

It is an arithmetic number, because the mean of its divisors is an integer number (557789652).

Almost surely, 2^22446464422 is an apocalyptic number.

22446464422 is a deficient number, since it is larger than the sum of its proper divisors (13252073306).

22446464422 is a wasteful number, since it uses less digits than its factorization.

22446464422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its digits is 589824, while the sum is 40.

The spelling of 22446464422 in words is "twenty-two billion, four hundred forty-six million, four hundred sixty-four thousand, four hundred twenty-two".