18754225 has 24 divisors (see below), whose sum is σ = 27442688. Its totient is φ = 12441600.

The previous prime is 18754201. The next prime is 18754243. The reversal of 18754225 is 52245781.

It is a happy number.

It is not a de Polignac number, because 18754225 - 2¹¹ = 18752177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3697 + ... + 7153.

Almost surely, 2^18754225 is an apocalyptic number.

It is an amenable number.

18754225 is a deficient number, since it is larger than the sum of its proper divisors (8688463).

18754225 is a wasteful number, since it uses less digits than its factorization.

18754225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505 (or 3500 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 18754225 is about 4330.6148524199. The cubic root of 18754225 is about 265.6845951635.

The spelling of 18754225 in words is "eighteen million, seven hundred fifty-four thousand, two hundred twenty-five".