90536228 has 12 divisors (see below), whose sum is σ = 159000240. Its totient is φ = 45107592.

The previous prime is 90536227. The next prime is 90536239. The reversal of 90536228 is 82263509.

It is not an unprimeable number, because it can be changed into a prime (90536227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38858 + ... + 41121.

It is an arithmetic number, because the mean of its divisors is an integer number (13250020).

Almost surely, 2^90536228 is an apocalyptic number.

It is an amenable number.

90536228 is a deficient number, since it is larger than the sum of its proper divisors (68464012).

90536228 is a wasteful number, since it uses less digits than its factorization.

90536228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80266 (or 80264 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 90536228 is about 9515.0527061073. The cubic root of 90536228 is about 449.0287331377.

The spelling of 90536228 in words is "ninety million, five hundred thirty-six thousand, two hundred twenty-eight".