22104404215 has 32 divisors (see below), whose sum is σ = 27935539200. Its totient is φ = 16767703680.

The previous prime is 22104404213. The next prime is 22104404237. The reversal of 22104404215 is 51240440122.

It is not a de Polignac number, because 22104404215 - 2¹ = 22104404213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22104404215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104404213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2182854 + ... + 2192956.

It is an arithmetic number, because the mean of its divisors is an integer number (872985600).

Almost surely, 2^22104404215 is an apocalyptic number.

22104404215 is a deficient number, since it is larger than the sum of its proper divisors (5831134985).

22104404215 is a wasteful number, since it uses less digits than its factorization.

22104404215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22104404215 its reverse (51240440122), we get a palindrome (73344844337).

The spelling of 22104404215 in words is "twenty-two billion, one hundred four million, four hundred four thousand, two hundred fifteen".