16226418 has 32 divisors (see below), whose sum is σ = 36792000. Its totient is φ = 4729536.

The previous prime is 16226401. The next prime is 16226429. The reversal of 16226418 is 81462261.

It is a super-2 number, since 2×16226418² = 526593282221448, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993 + ... + 6956.

It is an arithmetic number, because the mean of its divisors is an integer number (1149750).

Almost surely, 2^16226418 is an apocalyptic number.

16226418 is an abundant number, since it is smaller than the sum of its proper divisors (20565582).

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

16226418 is a wasteful number, since it uses less digits than its factorization.

16226418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986.

The product of its digits is 4608, while the sum is 30.

The square root of 16226418 is about 4028.2028250822. The cubic root of 16226418 is about 253.1672668940.

Adding to 16226418 its reverse (81462261), we get a palindrome (97688679).

The spelling of 16226418 in words is "sixteen million, two hundred twenty-six thousand, four hundred eighteen".