28224363 has 8 divisors (see below), whose sum is σ = 37688976. Its totient is φ = 18788000.

The previous prime is 28224347. The next prime is 28224373. The reversal of 28224363 is 36342282.

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 28224363 - 2⁴ = 28224347 is a prime.

It is a super-2 number, since 2×28224363² = 1593229333511538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28224363.

It is not an unprimeable number, because it can be changed into a prime (28224323) 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, 4608 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (4711122).

Almost surely, 2^28224363 is an apocalyptic number.

28224363 is a deficient number, since it is larger than the sum of its proper divisors (9464613).

28224363 is a wasteful number, since it uses less digits than its factorization.

28224363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125.

The product of its digits is 13824, while the sum is 30.

The square root of 28224363 is about 5312.6606328656. The cubic root of 28224363 is about 304.4678097232.

The spelling of 28224363 in words is "twenty-eight million, two hundred twenty-four thousand, three hundred sixty-three".