28224063 has 72 divisors (see below), whose sum is σ = 52779168. Its totient is φ = 14183424.

The previous prime is 28224061. The next prime is 28224071. The reversal of 28224063 is 36042282.

It is not a de Polignac number, because 28224063 - 2¹ = 28224061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28224061) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 386595 + ... + 386667.

It is an arithmetic number, because the mean of its divisors is an integer number (733044).

Almost surely, 2^28224063 is an apocalyptic number.

28224063 is a deficient number, since it is larger than the sum of its proper divisors (24555105).

28224063 is a wasteful number, since it uses less digits than its factorization.

28224063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 28224063 is about 5312.6323983502. The cubic root of 28224063 is about 304.4667309782.

The spelling of 28224063 in words is "twenty-eight million, two hundred twenty-four thousand, sixty-three".