28224414 has 24 divisors (see below), whose sum is σ = 62807160. Its totient is φ = 9153648.

The previous prime is 28224407. The next prime is 28224421. The reversal of 28224414 is 41442282.

28224414 is a `hidden beast` number, since 28 + 224 + 414 = 666.

It is an interprime number because it is at equal distance from previous prime (28224407) and next prime (28224421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20524 + ... + 21855.

It is an arithmetic number, because the mean of its divisors is an integer number (2616965).

Almost surely, 2^28224414 is an apocalyptic number.

28224414 is an abundant number, since it is smaller than the sum of its proper divisors (34582746).

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

28224414 is a wasteful number, since it uses less digits than its factorization.

28224414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42424 (or 42421 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 28224414 is about 5312.6654327183. The cubic root of 28224414 is about 304.4679931090.

Adding to 28224414 its reverse (41442282), we get a palindrome (69666696).

The spelling of 28224414 in words is "twenty-eight million, two hundred twenty-four thousand, four hundred fourteen".