28322104 has 8 divisors (see below), whose sum is σ = 53103960. Its totient is φ = 14161048.

The previous prime is 28322093. The next prime is 28322111. The reversal of 28322104 is 40122382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770124 + ... + 1770139.

It is an arithmetic number, because the mean of its divisors is an integer number (6637995).

Almost surely, 2^28322104 is an apocalyptic number.

It is an amenable number.

28322104 is a deficient number, since it is larger than the sum of its proper divisors (24781856).

28322104 is a wasteful number, since it uses less digits than its factorization.

28322104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540269 (or 3540265 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 28322104 is about 5321.8515574939. The cubic root of 28322104 is about 304.8188622556.

Adding to 28322104 its reverse (40122382), we get a palindrome (68444486).

The spelling of 28322104 in words is "twenty-eight million, three hundred twenty-two thousand, one hundred four".