16271222 has 8 divisors (see below), whose sum is σ = 26625672. Its totient is φ = 7396000.

The previous prime is 16271207. The next prime is 16271267. The reversal of 16271222 is 22217261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369779 + ... + 369822.

It is an arithmetic number, because the mean of its divisors is an integer number (3328209).

Almost surely, 2^16271222 is an apocalyptic number.

16271222 is a deficient number, since it is larger than the sum of its proper divisors (10354450).

16271222 is a wasteful number, since it uses less digits than its factorization.

16271222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739614.

The product of its digits is 672, while the sum is 23.

The square root of 16271222 is about 4033.7602804331. The cubic root of 16271222 is about 253.4000659071.

Adding to 16271222 its reverse (22217261), we get a palindrome (38488483).

It can be divided in two parts, 162712 and 22, that multiplied together give a square (3579664 = 1892²).

The spelling of 16271222 in words is "sixteen million, two hundred seventy-one thousand, two hundred twenty-two".