22243333442 has 48 divisors (see below), whose sum is σ = 39588333120. Its totient is φ = 9337463520.

The previous prime is 22243333429. The next prime is 22243333481. The reversal of 22243333442 is 24433334222.

It is a happy number.

It is a super-2 number, since 2×22243333442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22243333399 and 22243333408.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 92513 + ... + 230315.

It is an arithmetic number, because the mean of its divisors is an integer number (824756940).

Almost surely, 2^22243333442 is an apocalyptic number.

22243333442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22243333442 is a deficient number, since it is larger than the sum of its proper divisors (17344999678).

22243333442 is a wasteful number, since it uses less digits than its factorization.

22243333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137879 (or 137868 counting only the distinct ones).

The product of its digits is 82944, while the sum is 32.

Adding to 22243333442 its reverse (24433334222), we get a palindrome (46676667664).

The spelling of 22243333442 in words is "twenty-two billion, two hundred forty-three million, three hundred thirty-three thousand, four hundred forty-two".