65218232 has 16 divisors (see below), whose sum is σ = 122993640. Its totient is φ = 32419936.

The previous prime is 65218193. The next prime is 65218253. The reversal of 65218232 is 23281256.

It is a junction number, because it is equal to n+sod(n) for n = 65218195 and 65218204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22178 + ... + 24945.

Almost surely, 2^65218232 is an apocalyptic number.

It is an amenable number.

65218232 is a deficient number, since it is larger than the sum of its proper divisors (57775408).

65218232 is a wasteful number, since it uses less digits than its factorization.

65218232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302 (or 47298 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 65218232 is about 8075.7805814670. The cubic root of 65218232 is about 402.5220480959.

Adding to 65218232 its reverse (23281256), we get a palindrome (88499488).

The spelling of 65218232 in words is "sixty-five million, two hundred eighteen thousand, two hundred thirty-two".