65192228 has 6 divisors (see below), whose sum is σ = 114086406. Its totient is φ = 32596112.

The previous prime is 65192221. The next prime is 65192293. The reversal of 65192228 is 82229156.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 13897984 = 7162^2 + 3728^2 .

It is not an unprimeable number, because it can be changed into a prime (65192221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8149025 + ... + 8149032.

It is an arithmetic number, because the mean of its divisors is an integer number (19014401).

Almost surely, 2^65192228 is an apocalyptic number.

It is an amenable number.

65192228 is a deficient number, since it is larger than the sum of its proper divisors (48894178).

65192228 is a wasteful number, since it uses less digits than its factorization.

65192228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16298061 (or 16298059 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 65192228 is about 8074.1704217833. The cubic root of 65192228 is about 402.4685427365.

The spelling of 65192228 in words is "sixty-five million, one hundred ninety-two thousand, two hundred twenty-eight".