65232213 has 12 divisors (see below), whose sum is σ = 92394720. Its totient is φ = 40929472.

The previous prime is 65232197. The next prime is 65232217. The reversal of 65232213 is 31223256.

It is not a de Polignac number, because 65232213 - 2⁴ = 65232197 is a prime.

It is a super-2 number, since 2×65232213² = 8510483225754738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65232217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36753 + ... + 38486.

It is an arithmetic number, because the mean of its divisors is an integer number (7699560).

Almost surely, 2^65232213 is an apocalyptic number.

It is an amenable number.

65232213 is a deficient number, since it is larger than the sum of its proper divisors (27162507).

65232213 is a wasteful number, since it uses less digits than its factorization.

65232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75276 (or 75259 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 65232213 is about 8076.6461479998. The cubic root of 65232213 is about 402.5508092694.

Adding to 65232213 its reverse (31223256), we get a palindrome (96455469).

The spelling of 65232213 in words is "sixty-five million, two hundred thirty-two thousand, two hundred thirteen".