28224246 has 16 divisors (see below), whose sum is σ = 56977344. Its totient is φ = 9319944.

The previous prime is 28224241. The next prime is 28224263. The reversal of 28224246 is 64242282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28224241) 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, 21340 + ... + 22623.

It is an arithmetic number, because the mean of its divisors is an integer number (3561084).

Almost surely, 2^28224246 is an apocalyptic number.

28224246 is an abundant number, since it is smaller than the sum of its proper divisors (28753098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28224246 is a wasteful number, since it uses less digits than its factorization.

28224246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44075.

The product of its digits is 12288, while the sum is 30.

The square root of 28224246 is about 5312.6496214224. The cubic root of 28224246 is about 304.4673890135.

The spelling of 28224246 in words is "twenty-eight million, two hundred twenty-four thousand, two hundred forty-six".