18382276225 has 12 divisors (see below), whose sum is σ = 22830165760. Its totient is φ = 14682502800.

The previous prime is 18382276183. The next prime is 18382276277. The reversal of 18382276225 is 52267228381.

It is not a de Polignac number, because 18382276225 - 2¹⁹ = 18381751937 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566865 + ... + 598414.

Almost surely, 2^18382276225 is an apocalyptic number.

It is an amenable number.

18382276225 is a deficient number, since it is larger than the sum of its proper divisors (4447889535).

18382276225 is a wasteful number, since it uses less digits than its factorization.

18382276225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165920 (or 1165915 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The spelling of 18382276225 in words is "eighteen billion, three hundred eighty-two million, two hundred seventy-six thousand, two hundred twenty-five".