65227239228 has 24 divisors (see below), whose sum is σ = 154468488832. Its totient is φ = 21417899184.

The previous prime is 65227239227. The next prime is 65227239239. The reversal of 65227239228 is 82293272256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65227239223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40563400 + ... + 40565007.

Almost surely, 2^65227239228 is an apocalyptic number.

It is an amenable number.

65227239228 is an abundant number, since it is smaller than the sum of its proper divisors (89241249604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65227239228 is a wasteful number, since it uses less digits than its factorization.

65227239228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81128481 (or 81128479 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 65227239228 in words is "sixty-five billion, two hundred twenty-seven million, two hundred thirty-nine thousand, two hundred twenty-eight".