18452002 has 16 divisors (see below), whose sum is σ = 29219040. Its totient is φ = 8715168.

The previous prime is 18451999. The next prime is 18452029. The reversal of 18452002 is 20025481.

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, 23053 + ... + 23839.

It is an arithmetic number, because the mean of its divisors is an integer number (1826190).

Almost surely, 2^18452002 is an apocalyptic number.

18452002 is a deficient number, since it is larger than the sum of its proper divisors (10767038).

18452002 is a wasteful number, since it uses less digits than its factorization.

18452002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 18452002 is about 4295.5793555701. The cubic root of 18452002 is about 264.2496967996.

Adding to 18452002 its reverse (20025481), we get a palindrome (38477483).

The spelling of 18452002 in words is "eighteen million, four hundred fifty-two thousand, two".