23522221435325 has 18 divisors (see below), whose sum is σ = 29275583373882. Its totient is φ = 18748337392800.

The previous prime is 23522221435267. The next prime is 23522221435381. The reversal of 23522221435325 is 52353412222532.

It can be written as a sum of positive squares in 3 ways, for example, as 7861103782756 + 15661117652569 = 2803766^2 + 3957413^2 .

It is not a de Polignac number, because 23522221435325 - 2⁶ = 23522221435261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4569722 + ... + 8241771.

It is an arithmetic number, because the mean of its divisors is an integer number (1626421298549).

Almost surely, 2^{23522221435325} is an apocalyptic number.

23522221435325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23522221435325 is a deficient number, since it is larger than the sum of its proper divisors (5753361938557).

23522221435325 is an equidigital number, since it uses as much as digits as its factorization.

23522221435325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12812045 (or 12811769 counting only the distinct ones).

The product of its digits is 864000, while the sum is 41.

Adding to 23522221435325 its reverse (52353412222532), we get a palindrome (75875633657857).

The spelling of 23522221435325 in words is "twenty-three trillion, five hundred twenty-two billion, two hundred twenty-one million, four hundred thirty-five thousand, three hundred twenty-five".