28241322 has 16 divisors (see below), whose sum is σ = 56638560. Its totient is φ = 9387792.

The previous prime is 28241303. The next prime is 28241357. The reversal of 28241322 is 22314282.

It is a junction number, because it is equal to n+sod(n) for n = 28241292 and 28241301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (3539910).

Almost surely, 2^28241322 is an apocalyptic number.

28241322 is an abundant number, since it is smaller than the sum of its proper divisors (28397238).

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

28241322 is a wasteful number, since it uses less digits than its factorization.

28241322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12997.

The product of its digits is 1536, while the sum is 24.

The square root of 28241322 is about 5314.2564860947. The cubic root of 28241322 is about 304.5287787490.

The spelling of 28241322 in words is "twenty-eight million, two hundred forty-one thousand, three hundred twenty-two".