22220023523215 has 16 divisors (see below), whose sum is σ = 30757971151872. Its totient is φ = 15094189541664.

The previous prime is 22220023523189. The next prime is 22220023523261. The reversal of 22220023523215 is 51232532002222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22220023523215 - 2⁹ = 22220023522703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966621559 + ... + 2966629048.

It is an arithmetic number, because the mean of its divisors is an integer number (1922373196992).

Almost surely, 2^{22220023523215} is an apocalyptic number.

22220023523215 is a deficient number, since it is larger than the sum of its proper divisors (8537947628657).

22220023523215 is a wasteful number, since it uses less digits than its factorization.

22220023523215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933250726.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22220023523215 its reverse (51232532002222), we get a palindrome (73452555525437).

The spelling of 22220023523215 in words is "twenty-two trillion, two hundred twenty billion, twenty-three million, five hundred twenty-three thousand, two hundred fifteen".