2122430315225 has 24 divisors (see below), whose sum is σ = 2887665213312. Its totient is φ = 1534663188800.

The previous prime is 2122430315197. The next prime is 2122430315227. The reversal of 2122430315225 is 5225130342212.

It is a de Polignac number, because none of the positive numbers 2^k-2122430315225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122430315191 and 2122430315200.

It is not an unprimeable number, because it can be changed into a prime (2122430315227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22258577 + ... + 22353726.

It is an arithmetic number, because the mean of its divisors is an integer number (120319383888).

Almost surely, 2^{2122430315225} is an apocalyptic number.

2122430315225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122430315225 is a deficient number, since it is larger than the sum of its proper divisors (765234898087).

2122430315225 is a wasteful number, since it uses less digits than its factorization.

2122430315225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44612497 (or 44612492 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2122430315225 its reverse (5225130342212), we get a palindrome (7347560657437).

The spelling of 2122430315225 in words is "two trillion, one hundred twenty-two billion, four hundred thirty million, three hundred fifteen thousand, two hundred twenty-five".