22213522324004 has 36 divisors (see below), whose sum is σ = 42732887163372. Its totient is φ = 10096114237440.

The previous prime is 22213522324003. The next prime is 22213522324031. The reversal of 22213522324004 is 40042322531222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18328673440000 + 3884848884004 = 4281200^2 + 1971002^2 .

It is not an unprimeable number, because it can be changed into a prime (22213522324003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3070364 + ... + 7338540.

It is an arithmetic number, because the mean of its divisors is an integer number (1187024643427).

Almost surely, 2^{22213522324004} is an apocalyptic number.

It is an amenable number.

22213522324004 is a deficient number, since it is larger than the sum of its proper divisors (20519364839368).

22213522324004 is a wasteful number, since it uses less digits than its factorization.

22213522324004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278956 (or 4278943 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22213522324004 its reverse (40042322531222), we get a palindrome (62255844855226).

The spelling of 22213522324004 in words is "twenty-two trillion, two hundred thirteen billion, five hundred twenty-two million, three hundred twenty-four thousand, four".