28052522 has 16 divisors (see below), whose sum is σ = 42716160. Its totient is φ = 13815648.

The previous prime is 28052509. The next prime is 28052537. The reversal of 28052522 is 22525082.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28052491 and 28052500.

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, 45158 + ... + 45774.

It is an arithmetic number, because the mean of its divisors is an integer number (2669760).

Almost surely, 2^28052522 is an apocalyptic number.

28052522 is a deficient number, since it is larger than the sum of its proper divisors (14663638).

28052522 is a wasteful number, since it uses less digits than its factorization.

28052522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 28052522 is about 5296.4631595056. The cubic root of 28052522 is about 303.8486449354.

The spelling of 28052522 in words is "twenty-eight million, fifty-two thousand, five hundred twenty-two".