22783487725 has 6 divisors (see below), whose sum is σ = 28251524810. Its totient is φ = 18226790160.

The previous prime is 22783487719. The next prime is 22783487767. The reversal of 22783487725 is 52778438722.

It can be written as a sum of positive squares in 3 ways, for example, as 361 + 22783487364 = 19^2 + 150942^2 .

It is not a de Polignac number, because 22783487725 - 2⁹ = 22783487213 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, 455669730 + ... + 455669779.

Almost surely, 2^22783487725 is an apocalyptic number.

22783487725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22783487725 is a deficient number, since it is larger than the sum of its proper divisors (5468037085).

22783487725 is an equidigital number, since it uses as much as digits as its factorization.

22783487725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911339519 (or 911339514 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 55.

The spelling of 22783487725 in words is "twenty-two billion, seven hundred eighty-three million, four hundred eighty-seven thousand, seven hundred twenty-five".