16228823 has 8 divisors (see below), whose sum is σ = 18237408. Its totient is φ = 14328864.

The previous prime is 16228819. The next prime is 16228853. The reversal of 16228823 is 32882261.

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

It is a cyclic number.

It is not a de Polignac number, because 16228823 - 2² = 16228819 is a prime.

It is a super-3 number, since 3×16228823³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16228823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16228813) 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, 26840 + ... + 27437.

It is an arithmetic number, because the mean of its divisors is an integer number (2279676).

Almost surely, 2^16228823 is an apocalyptic number.

16228823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16228823 is a deficient number, since it is larger than the sum of its proper divisors (2008585).

16228823 is a wasteful number, since it uses less digits than its factorization.

16228823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54313.

The product of its digits is 9216, while the sum is 32.

The square root of 16228823 is about 4028.5013342433. The cubic root of 16228823 is about 253.1797740125.

It can be divided in two parts, 162288 and 23, that multiplied together give a square (3732624 = 1932²).

The spelling of 16228823 in words is "sixteen million, two hundred twenty-eight thousand, eight hundred twenty-three".