16222254 has 16 divisors (see below), whose sum is σ = 32693760. Its totient is φ = 5365880.

The previous prime is 16222211. The next prime is 16222259. The reversal of 16222254 is 45222261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9534 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (2043360).

Almost surely, 2^16222254 is an apocalyptic number.

16222254 is an abundant number, since it is smaller than the sum of its proper divisors (16471506).

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

16222254 is a wasteful number, since it uses less digits than its factorization.

16222254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775.

The product of its digits is 1920, while the sum is 24.

The square root of 16222254 is about 4027.6859361177. The cubic root of 16222254 is about 253.1456092349.

The spelling of 16222254 in words is "sixteen million, two hundred twenty-two thousand, two hundred fifty-four".