528494122 has 16 divisors (see below), whose sum is σ = 856771272. Its totient is φ = 243048960.

The previous prime is 528494119. The next prime is 528494137. The reversal of 528494122 is 221494825.

It is a Cunningham number, because it is equal to 22989²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 357172201 + 171321921 = 18899^2 + 13089^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28863 + ... + 43474.

Almost surely, 2^528494122 is an apocalyptic number.

528494122 is a deficient number, since it is larger than the sum of its proper divisors (328277150).

528494122 is a wasteful number, since it uses less digits than its factorization.

528494122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72633.

The product of its digits is 46080, while the sum is 37.

The square root of 528494122 is about 22989.0000217495. Note that the first 4 decimals coincide. The cubic root of 528494122 is about 808.5000550097.

The spelling of 528494122 in words is "five hundred twenty-eight million, four hundred ninety-four thousand, one hundred twenty-two".