28841522 has 8 divisors (see below), whose sum is σ = 43512876. Its totient is φ = 14337232.

The previous prime is 28841513. The next prime is 28841531. The reversal of 28841522 is 22514882.

It is an interprime number because it is at equal distance from previous prime (28841513) and next prime (28841531).

It can be written as a sum of positive squares in 2 ways, for example, as 26122321 + 2719201 = 5111^2 + 1649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 41333 + ... + 42024.

Almost surely, 2^28841522 is an apocalyptic number.

28841522 is a deficient number, since it is larger than the sum of its proper divisors (14671354).

28841522 is a wasteful number, since it uses less digits than its factorization.

28841522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83532.

The product of its digits is 10240, while the sum is 32.

The square root of 28841522 is about 5370.4303365745. The cubic root of 28841522 is about 306.6710110181.

The spelling of 28841522 in words is "twenty-eight million, eight hundred forty-one thousand, five hundred twenty-two".