16225018 has 16 divisors (see below), whose sum is σ = 25581600. Its totient is φ = 7708176.

The previous prime is 16225009. The next prime is 16225037. The reversal of 16225018 is 81052261.

It is a junction number, because it is equal to n+sod(n) for n = 16224983 and 16225001.

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, 633 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (1598850).

Almost surely, 2^16225018 is an apocalyptic number.

16225018 is a deficient number, since it is larger than the sum of its proper divisors (9356582).

16225018 is a wasteful number, since it uses less digits than its factorization.

16225018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 16225018 is about 4028.0290465686. The cubic root of 16225018 is about 253.1599856738.

Adding to 16225018 its reverse (81052261), we get a palindrome (97277279).

The spelling of 16225018 in words is "sixteen million, two hundred twenty-five thousand, eighteen".