22473806725 has 6 divisors (see below), whose sum is σ = 27867520370. Its totient is φ = 17979045360.

The previous prime is 22473806699. The next prime is 22473806743. The reversal of 22473806725 is 52760837422.

It can be written as a sum of positive squares in 3 ways, for example, as 2883045636 + 19590761089 = 53694^2 + 139967^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22473806725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449476110 + ... + 449476159.

Almost surely, 2^22473806725 is an apocalyptic number.

22473806725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22473806725 is a deficient number, since it is larger than the sum of its proper divisors (5393713645).

22473806725 is an equidigital number, since it uses as much as digits as its factorization.

22473806725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898952279 (or 898952274 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 22473806725 in words is "twenty-two billion, four hundred seventy-three million, eight hundred six thousand, seven hundred twenty-five".