22442403434 has 16 divisors (see below), whose sum is σ = 36754758720. Its totient is φ = 10192529760.

The previous prime is 22442403397. The next prime is 22442403463. The reversal of 22442403434 is 43430424422.

It is a super-2 number, since 2×22442403434² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22442403434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401294 + ... + 453785.

It is an arithmetic number, because the mean of its divisors is an integer number (2297172420).

Almost surely, 2^22442403434 is an apocalyptic number.

22442403434 is a deficient number, since it is larger than the sum of its proper divisors (14312355286).

22442403434 is a wasteful number, since it uses less digits than its factorization.

22442403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856285.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 22442403434 its reverse (43430424422), we get a palindrome (65872827856).

The spelling of 22442403434 in words is "twenty-two billion, four hundred forty-two million, four hundred three thousand, four hundred thirty-four".