65227090 has 16 divisors (see below), whose sum is σ = 121457880. Its totient is φ = 25191040.

The previous prime is 65227067. The next prime is 65227091. The reversal of 65227090 is 9072256.

65227090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54774801 + 10452289 = 7401^2 + 3233^2 .

It is not an unprimeable number, because it can be changed into a prime (65227091) 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 7 ways as a sum of consecutive naturals, for example, 112171 + ... + 112750.

Almost surely, 2^65227090 is an apocalyptic number.

65227090 is a deficient number, since it is larger than the sum of its proper divisors (56230790).

65227090 is a wasteful number, since it uses less digits than its factorization.

65227090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224957.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 65227090 is about 8076.3289928036. The cubic root of 65227090 is about 402.5402709086.

The spelling of 65227090 in words is "sixty-five million, two hundred twenty-seven thousand, ninety".