528690226 has 8 divisors (see below), whose sum is σ = 795619440. Its totient is φ = 263483748.

The previous prime is 528690223. The next prime is 528690247. The reversal of 528690226 is 622096825.

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

It is not an unprimeable number, because it can be changed into a prime (528690223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429916 + ... + 431143.

It is an arithmetic number, because the mean of its divisors is an integer number (99452430).

Almost surely, 2^528690226 is an apocalyptic number.

528690226 is a deficient number, since it is larger than the sum of its proper divisors (266929214).

528690226 is a wasteful number, since it uses less digits than its factorization.

528690226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861368.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 528690226 is about 22993.2647964572. The cubic root of 528690226 is about 808.6000438154.

The spelling of 528690226 in words is "five hundred twenty-eight million, six hundred ninety thousand, two hundred twenty-six".