22442440032 has 72 divisors (see below), whose sum is σ = 64385567064. Its totient is φ = 7414600704.

The previous prime is 22442440019. The next prime is 22442440037. The reversal of 22442440032 is 23004424422.

22442440032 is a `hidden beast` number, since 224 + 4 + 2 + 4 + 400 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×22442440032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442439978 and 22442440005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442440037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312258 + ... + 377345.

It is an arithmetic number, because the mean of its divisors is an integer number (894243987).

Almost surely, 2^22442440032 is an apocalyptic number.

It is an amenable number.

22442440032 is an abundant number, since it is smaller than the sum of its proper divisors (41943127032).

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

22442440032 is a wasteful number, since it uses less digits than its factorization.

22442440032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689732 (or 689721 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22442440032 its reverse (23004424422), we get a palindrome (45446864454).

The spelling of 22442440032 in words is "twenty-two billion, four hundred forty-two million, four hundred forty thousand, thirty-two".