18348022224 has 60 divisors (see below), whose sum is σ = 58684550496. Its totient is φ = 5242291776.

The previous prime is 18348022219. The next prime is 18348022249. The reversal of 18348022224 is 42222084381.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9100194 + ... + 9102209.

Almost surely, 2^18348022224 is an apocalyptic number.

18348022224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18348022224 is an abundant number, since it is smaller than the sum of its proper divisors (40336528272).

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

18348022224 is a wasteful number, since it uses less digits than its factorization.

18348022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202424 (or 18202415 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 18348022224 in words is "eighteen billion, three hundred forty-eight million, twenty-two thousand, two hundred twenty-four".