22315522130125 has 16 divisors (see below), whose sum is σ = 31828310422272. Its totient is φ = 15302072317200.

The previous prime is 22315522130059. The next prime is 22315522130129. The reversal of 22315522130125 is 52103122551322.

It is not a de Polignac number, because 22315522130125 - 2¹³ = 22315522121933 is a prime.

It is a super-4 number, since 4×22315522130125⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315522130129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12751726057 + ... + 12751727806.

It is an arithmetic number, because the mean of its divisors is an integer number (1989269401392).

Almost surely, 2^{22315522130125} is an apocalyptic number.

22315522130125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22315522130125 is a deficient number, since it is larger than the sum of its proper divisors (9512788292147).

22315522130125 is an equidigital number, since it uses as much as digits as its factorization.

22315522130125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25503453885 (or 25503453875 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 22315522130125 its reverse (52103122551322), we get a palindrome (74418644681447).

The spelling of 22315522130125 in words is "twenty-two trillion, three hundred fifteen billion, five hundred twenty-two million, one hundred thirty thousand, one hundred twenty-five".