22204111215 has 64 divisors (see below), whose sum is σ = 42360740352. Its totient is φ = 9789120000.

The previous prime is 22204111207. The next prime is 22204111219. The reversal of 22204111215 is 51211140222.

It is not a de Polignac number, because 22204111215 - 2³ = 22204111207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22204111191 and 22204111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204111219) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 66465 + ... + 220965.

It is an arithmetic number, because the mean of its divisors is an integer number (661886568).

Almost surely, 2^22204111215 is an apocalyptic number.

22204111215 is a deficient number, since it is larger than the sum of its proper divisors (20156629137).

22204111215 is a wasteful number, since it uses less digits than its factorization.

22204111215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154600.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 22204111215 its reverse (51211140222), we get a palindrome (73415251437).

The spelling of 22204111215 in words is "twenty-two billion, two hundred four million, one hundred eleven thousand, two hundred fifteen".