23221211115425 has 192 divisors, whose sum is σ = 33261871104000. Its totient is φ = 15971364864000.

The previous prime is 23221211115371. The next prime is 23221211115437. The reversal of 23221211115425 is 52451111212232.

It is a happy number.

It is not a de Polignac number, because 23221211115425 - 2⁴⁴ = 5629025071009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23221211115391 and 23221211115400.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20174813600 + ... + 20174814750.

It is an arithmetic number, because the mean of its divisors is an integer number (173238912000).

Almost surely, 2^{23221211115425} is an apocalyptic number.

23221211115425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23221211115425 is a deficient number, since it is larger than the sum of its proper divisors (10040659988575).

23221211115425 is a wasteful number, since it uses less digits than its factorization.

23221211115425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1931 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

Adding to 23221211115425 its reverse (52451111212232), we get a palindrome (75672322327657).

The spelling of 23221211115425 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred eleven million, one hundred fifteen thousand, four hundred twenty-five".