16231226 has 16 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 6943680.

The previous prime is 16231217. The next prime is 16231273. The reversal of 16231226 is 62213261.

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, 21326 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (1757700).

Almost surely, 2^16231226 is an apocalyptic number.

16231226 is a deficient number, since it is larger than the sum of its proper divisors (11891974).

16231226 is a wasteful number, since it uses less digits than its factorization.

16231226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43429.

The product of its digits is 864, while the sum is 23.

The square root of 16231226 is about 4028.7995730738. The cubic root of 16231226 is about 253.1922694960.

Adding to 16231226 its reverse (62213261), we get a palindrome (78444487).

The spelling of 16231226 in words is "sixteen million, two hundred thirty-one thousand, two hundred twenty-six".