16224477 has 8 divisors (see below), whose sum is σ = 22905216. Its totient is φ = 10180032.

The previous prime is 16224473. The next prime is 16224493. The reversal of 16224477 is 77442261.

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

It is not a de Polignac number, because 16224477 - 2² = 16224473 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16224473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159013 + ... + 159114.

It is an arithmetic number, because the mean of its divisors is an integer number (2863152).

Almost surely, 2^16224477 is an apocalyptic number.

16224477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16224477 is a deficient number, since it is larger than the sum of its proper divisors (6680739).

16224477 is a wasteful number, since it uses less digits than its factorization.

16224477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318147.

The product of its digits is 18816, while the sum is 33.

The square root of 16224477 is about 4027.9618915774. The cubic root of 16224477 is about 253.1571718901.

The spelling of 16224477 in words is "sixteen million, two hundred twenty-four thousand, four hundred seventy-seven".