22235440004 has 12 divisors (see below), whose sum is σ = 40960021200. Its totient is φ = 10532576808.

The previous prime is 22235439979. The next prime is 22235440027. The reversal of 22235440004 is 40004453222.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 146285714 + ... + 146285865.

It is an arithmetic number, because the mean of its divisors is an integer number (3413335100).

Almost surely, 2^22235440004 is an apocalyptic number.

It is an amenable number.

22235440004 is a deficient number, since it is larger than the sum of its proper divisors (18724581196).

22235440004 is a wasteful number, since it uses less digits than its factorization.

22235440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292571602 (or 292571600 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 22235440004 its reverse (40004453222), we get a palindrome (62239893226).

The spelling of 22235440004 in words is "twenty-two billion, two hundred thirty-five million, four hundred forty thousand, four".