22422250664525 has 72 divisors (see below), whose sum is σ = 29976079354560. Its totient is φ = 16604067293440.

The previous prime is 22422250664483. The next prime is 22422250664533. The reversal of 22422250664525 is 52546605222422.

It is a happy number.

It is not a de Polignac number, because 22422250664525 - 2³⁰ = 22421176922701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22422250664525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 112946402 + ... + 113144748.

It is an arithmetic number, because the mean of its divisors is an integer number (416334435480).

Almost surely, 2^{22422250664525} is an apocalyptic number.

22422250664525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22422250664525 is a deficient number, since it is larger than the sum of its proper divisors (7553828690035).

22422250664525 is a wasteful number, since it uses less digits than its factorization.

22422250664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198563 (or 198511 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 47.

Adding to 22422250664525 its reverse (52546605222422), we get a palindrome (74968855886947).

The spelling of 22422250664525 in words is "twenty-two trillion, four hundred twenty-two billion, two hundred fifty million, six hundred sixty-four thousand, five hundred twenty-five".