25422022023505 has 16 divisors (see below), whose sum is σ = 30670683417360. Its totient is φ = 20228385703168.

The previous prime is 25422022023491. The next prime is 25422022023521. The reversal of 25422022023505 is 50532022022452.

It can be written as a sum of positive squares in 8 ways, for example, as 10101819728896 + 15320202294609 = 3178336^2 + 3914103^2 .

It is a cyclic number.

It is not a de Polignac number, because 25422022023505 - 2⁹ = 25422022022993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16300402 + ... + 17791771.

It is an arithmetic number, because the mean of its divisors is an integer number (1916917713585).

Almost surely, 2^{25422022023505} is an apocalyptic number.

It is an amenable number.

25422022023505 is a deficient number, since it is larger than the sum of its proper divisors (5248661393855).

25422022023505 is a wasteful number, since it uses less digits than its factorization.

25422022023505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34092980.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 25422022023505 its reverse (50532022022452), we get a palindrome (75954044045957).

The spelling of 25422022023505 in words is "twenty-five trillion, four hundred twenty-two billion, twenty-two million, twenty-three thousand, five hundred five".