18225306286 has 24 divisors (see below), whose sum is σ = 31018502592. Its totient is φ = 8016993600.

The previous prime is 18225306271. The next prime is 18225306287. The reversal of 18225306286 is 68260352281.

It is a super-2 number, since 2×18225306286² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18225306287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207195 + ... + 1222198.

It is an arithmetic number, because the mean of its divisors is an integer number (1292437608).

Almost surely, 2^18225306286 is an apocalyptic number.

18225306286 is a deficient number, since it is larger than the sum of its proper divisors (12793196306).

18225306286 is a wasteful number, since it uses less digits than its factorization.

18225306286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429448 (or 2429437 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 18225306286 in words is "eighteen billion, two hundred twenty-five million, three hundred six thousand, two hundred eighty-six".