28122526 has 8 divisors (see below), whose sum is σ = 42280344. Its totient is φ = 14029080.

The previous prime is 28122517. The next prime is 28122533. The reversal of 28122526 is 62522182.

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

It is a junction number, because it is equal to n+sod(n) for n = 28122494 and 28122503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14985 + ... + 16756.

It is an arithmetic number, because the mean of its divisors is an integer number (5285043).

Almost surely, 2^28122526 is an apocalyptic number.

28122526 is a deficient number, since it is larger than the sum of its proper divisors (14157818).

28122526 is a wasteful number, since it uses less digits than its factorization.

28122526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186.

The product of its digits is 3840, while the sum is 28.

The square root of 28122526 is about 5303.0676028125. The cubic root of 28122526 is about 304.1011825585.

The spelling of 28122526 in words is "twenty-eight million, one hundred twenty-two thousand, five hundred twenty-six".