65632233 has 16 divisors (see below), whose sum is σ = 89945856. Its totient is φ = 42546000.

The previous prime is 65632211. The next prime is 65632243. The reversal of 65632233 is 33223656.

It is not a de Polignac number, because 65632233 - 2⁵ = 65632201 is a prime.

It is a super-3 number, since 3×65632233³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65632233.

It is not an unprimeable number, because it can be changed into a prime (65632243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31366 + ... + 33392.

It is an arithmetic number, because the mean of its divisors is an integer number (5621616).

Almost surely, 2^65632233 is an apocalyptic number.

It is an amenable number.

65632233 is a deficient number, since it is larger than the sum of its proper divisors (24313623).

65632233 is a wasteful number, since it uses less digits than its factorization.

65632233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324.

The product of its digits is 19440, while the sum is 30.

The square root of 65632233 is about 8101.3722911615. The cubic root of 65632233 is about 403.3719799197.

Adding to 65632233 its reverse (33223656), we get a palindrome (98855889).

The spelling of 65632233 in words is "sixty-five million, six hundred thirty-two thousand, two hundred thirty-three".