22125410215 has 4 divisors (see below), whose sum is σ = 26550492264. Its totient is φ = 17700328168.

The previous prime is 22125410159. The next prime is 22125410231. The reversal of 22125410215 is 51201452122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51201452122 = 2 ⋅25600726061.

It is a cyclic number.

It is not a de Polignac number, because 22125410215 - 2²⁵ = 22091855783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22125410215.

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, 2212541017 + ... + 2212541026.

It is an arithmetic number, because the mean of its divisors is an integer number (6637623066).

Almost surely, 2^22125410215 is an apocalyptic number.

22125410215 is a deficient number, since it is larger than the sum of its proper divisors (4425082049).

22125410215 is an equidigital number, since it uses as much as digits as its factorization.

22125410215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425082048.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 22125410215 its reverse (51201452122), we get a palindrome (73326862337).

The spelling of 22125410215 in words is "twenty-two billion, one hundred twenty-five million, four hundred ten thousand, two hundred fifteen".