22003012434 has 64 divisors (see below), whose sum is σ = 50826787200. Its totient is φ = 6292795392.

The previous prime is 22003012397. The next prime is 22003012441. The reversal of 22003012434 is 43421030022.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22003012434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61519 + ... + 218610.

It is an arithmetic number, because the mean of its divisors is an integer number (794168550).

Almost surely, 2^22003012434 is an apocalyptic number.

22003012434 is an abundant number, since it is smaller than the sum of its proper divisors (28823774766).

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

22003012434 is a wasteful number, since it uses less digits than its factorization.

22003012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280219.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22003012434 its reverse (43421030022), we get a palindrome (65424042456).

The spelling of 22003012434 in words is "twenty-two billion, three million, twelve thousand, four hundred thirty-four".