28462244 has 6 divisors (see below), whose sum is σ = 49808934. Its totient is φ = 14231120.

The previous prime is 28462243. The next prime is 28462279. The reversal of 28462244 is 44226482.

It can be written as a sum of positive squares in only one way, i.e., 17977600 + 10484644 = 4240^2 + 3238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28462244.

It is not an unprimeable number, because it can be changed into a prime (28462243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557777 + ... + 3557784.

It is an arithmetic number, because the mean of its divisors is an integer number (8301489).

Almost surely, 2^28462244 is an apocalyptic number.

It is an amenable number.

28462244 is a deficient number, since it is larger than the sum of its proper divisors (21346690).

28462244 is a wasteful number, since it uses less digits than its factorization.

28462244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115565 (or 7115563 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 28462244 is about 5335.0017806932. The cubic root of 28462244 is about 305.3207912105.

The spelling of 28462244 in words is "twenty-eight million, four hundred sixty-two thousand, two hundred forty-four".