22028006634 has 32 divisors (see below), whose sum is σ = 44222755200. Its totient is φ = 7314907392.

The previous prime is 22028006599. The next prime is 22028006657. The reversal of 22028006634 is 43660082022.

It is a junction number, because it is equal to n+sod(n) for n = 22028006595 and 22028006604.

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 15 ways as a sum of consecutive naturals, for example, 5724099 + ... + 5727945.

It is an arithmetic number, because the mean of its divisors is an integer number (1381961100).

Almost surely, 2^22028006634 is an apocalyptic number.

22028006634 is an abundant number, since it is smaller than the sum of its proper divisors (22194748566).

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

22028006634 is a wasteful number, since it uses less digits than its factorization.

22028006634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 22028006634 its reverse (43660082022), we get a palindrome (65688088656).

The spelling of 22028006634 in words is "twenty-two billion, twenty-eight million, six thousand, six hundred thirty-four".