22022324442 has 32 divisors (see below), whose sum is σ = 50626036800. Its totient is φ = 7087644144.

The previous prime is 22022324437. The next prime is 22022324449. The reversal of 22022324442 is 24442322022.

It is a super-2 number, since 2×22022324442² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22022324449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7029828 + ... + 7032959.

It is an arithmetic number, because the mean of its divisors is an integer number (1582063650).

Almost surely, 2^22022324442 is an apocalyptic number.

22022324442 is an abundant number, since it is smaller than the sum of its proper divisors (28603712358).

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

22022324442 is a wasteful number, since it uses less digits than its factorization.

22022324442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14062827 (or 14062821 counting only the distinct ones).

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

Adding to 22022324442 its reverse (24442322022), we get a palindrome (46464646464).

The spelling of 22022324442 in words is "twenty-two billion, twenty-two million, three hundred twenty-four thousand, four hundred forty-two".