528226648 has 32 divisors (see below), whose sum is σ = 1069135200. Its totient is φ = 243916288.

The previous prime is 528226631. The next prime is 528226661. The reversal of 528226648 is 846622825.

It is a congruent number.

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, 44161 + ... + 54832.

It is an arithmetic number, because the mean of its divisors is an integer number (33410475).

Almost surely, 2^528226648 is an apocalyptic number.

528226648 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

528226648 is an abundant number, since it is smaller than the sum of its proper divisors (540908552).

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

528226648 is a wasteful number, since it uses less digits than its factorization.

528226648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99051 (or 99047 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 528226648 is about 22983.1818510841. The cubic root of 528226648 is about 808.3636364403.

The spelling of 528226648 in words is "five hundred twenty-eight million, two hundred twenty-six thousand, six hundred forty-eight".