16223541 has 16 divisors (see below), whose sum is σ = 22042944. Its totient is φ = 10612224.

The previous prime is 16223539. The next prime is 16223551. The reversal of 16223541 is 14532261.

It is not a de Polignac number, because 16223541 - 2¹ = 16223539 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57186 + ... + 57468.

It is an arithmetic number, because the mean of its divisors is an integer number (1377684).

Almost surely, 2^16223541 is an apocalyptic number.

It is an amenable number.

16223541 is a deficient number, since it is larger than the sum of its proper divisors (5819403).

16223541 is a wasteful number, since it uses less digits than its factorization.

16223541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its digits is 1440, while the sum is 24.

The square root of 16223541 is about 4027.8457021093. The cubic root of 16223541 is about 253.1523035324.

The spelling of 16223541 in words is "sixteen million, two hundred twenty-three thousand, five hundred forty-one".