13875522 has 16 divisors (see below), whose sum is σ = 27797952. Its totient is φ = 4617360.

The previous prime is 13875517. The next prime is 13875523. The reversal of 13875522 is 22557831.

13875522 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13875522² = 385060221544968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13875523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (1737372).

Almost surely, 2^13875522 is an apocalyptic number.

13875522 is an abundant number, since it is smaller than the sum of its proper divisors (13922430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13875522 is a wasteful number, since it uses less digits than its factorization.

13875522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its digits is 16800, while the sum is 33.

The square root of 13875522 is about 3724.9861744710. The cubic root of 13875522 is about 240.2977900739.

The spelling of 13875522 in words is "thirteen million, eight hundred seventy-five thousand, five hundred twenty-two".