18529227848 has 16 divisors (see below), whose sum is σ = 35079607680. Its totient is φ = 9174665808.

The previous prime is 18529227841. The next prime is 18529227853. The reversal of 18529227848 is 84872292581.

It is a happy number.

It is a super-2 number, since 2×18529227848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18529227793 and 18529227802.

It is not an unprimeable number, because it can be changed into a prime (18529227841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11242640 + ... + 11244287.

It is an arithmetic number, because the mean of its divisors is an integer number (2192475480).

Almost surely, 2^18529227848 is an apocalyptic number.

It is an amenable number.

18529227848 is a deficient number, since it is larger than the sum of its proper divisors (16550379832).

18529227848 is a wasteful number, since it uses less digits than its factorization.

18529227848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487036 (or 22487032 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 18529227848 in words is "eighteen billion, five hundred twenty-nine million, two hundred twenty-seven thousand, eight hundred forty-eight".