18227319124 has 48 divisors (see below), whose sum is σ = 36709456000. Its totient is φ = 7757254656.

The previous prime is 18227319101. The next prime is 18227319127. The reversal of 18227319124 is 42191372281.

It is a super-2 number, since 2×18227319124² (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 (18227319127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3342352 + ... + 3347800.

Almost surely, 2^18227319124 is an apocalyptic number.

18227319124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18227319124 is an abundant number, since it is smaller than the sum of its proper divisors (18482136876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18227319124 is a wasteful number, since it uses less digits than its factorization.

18227319124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272 (or 6270 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The spelling of 18227319124 in words is "eighteen billion, two hundred twenty-seven million, three hundred nineteen thousand, one hundred twenty-four".