18226524 has 24 divisors (see below), whose sum is σ = 42600208. Its totient is φ = 6065280.

The previous prime is 18226517. The next prime is 18226573. The reversal of 18226524 is 42562281.

It is a junction number, because it is equal to n+sod(n) for n = 18226491 and 18226500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10434 + ... + 12054.

Almost surely, 2^18226524 is an apocalyptic number.

It is an amenable number.

18226524 is an abundant number, since it is smaller than the sum of its proper divisors (24373684).

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

18226524 is a wasteful number, since it uses less digits than its factorization.

18226524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565 (or 2563 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 18226524 is about 4269.2533305017. The cubic root of 18226524 is about 263.1689315483.

The spelling of 18226524 in words is "eighteen million, two hundred twenty-six thousand, five hundred twenty-four".