22123115533325 has 6 divisors (see below), whose sum is σ = 27432663261354. Its totient is φ = 17698492426640.

The previous prime is 22123115533283. The next prime is 22123115533331. The reversal of 22123115533325 is 52333551132122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6036622958116 + 16086492575209 = 2456954^2 + 4010797^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22123115533325 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 5 ways as a sum of consecutive naturals, for example, 442462310642 + ... + 442462310691.

It is an arithmetic number, because the mean of its divisors is an integer number (4572110543559).

Almost surely, 2^{22123115533325} is an apocalyptic number.

22123115533325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22123115533325 is a deficient number, since it is larger than the sum of its proper divisors (5309547728029).

22123115533325 is an equidigital number, since it uses as much as digits as its factorization.

22123115533325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884924621343 (or 884924621338 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

Adding to 22123115533325 its reverse (52333551132122), we get a palindrome (74456666665447).

The spelling of 22123115533325 in words is "twenty-two trillion, one hundred twenty-three billion, one hundred fifteen million, five hundred thirty-three thousand, three hundred twenty-five".