22113312404 has 12 divisors (see below), whose sum is σ = 39744196884. Its totient is φ = 10757827584.

The previous prime is 22113312323. The next prime is 22113312437. The reversal of 22113312404 is 40421331122.

It can be written as a sum of positive squares in 2 ways, for example, as 21448188304 + 665124100 = 146452^2 + 25790^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22113312404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74706989 + ... + 74707284.

It is an arithmetic number, because the mean of its divisors is an integer number (3312016407).

Almost surely, 2^22113312404 is an apocalyptic number.

It is an amenable number.

22113312404 is a deficient number, since it is larger than the sum of its proper divisors (17630884480).

22113312404 is a wasteful number, since it uses less digits than its factorization.

22113312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149414314 (or 149414312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22113312404 its reverse (40421331122), we get a palindrome (62534643526).

The spelling of 22113312404 in words is "twenty-two billion, one hundred thirteen million, three hundred twelve thousand, four hundred four".