18224017430 has 32 divisors (see below), whose sum is σ = 34687312128. Its totient is φ = 6882393600.

The previous prime is 18224017369. The next prime is 18224017439. The reversal of 18224017430 is 3471042281.

It is a super-2 number, since 2×18224017430² (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 (18224017439) 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, 704207 + ... + 729626.

It is an arithmetic number, because the mean of its divisors is an integer number (1083978504).

Almost surely, 2^18224017430 is an apocalyptic number.

18224017430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18224017430 is a deficient number, since it is larger than the sum of its proper divisors (16463294698).

18224017430 is a wasteful number, since it uses less digits than its factorization.

18224017430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433912.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 18224017430 in words is "eighteen billion, two hundred twenty-four million, seventeen thousand, four hundred thirty".