65533223 has 8 divisors (see below), whose sum is σ = 78837120. Its totient is φ = 53214840.

The previous prime is 65533219. The next prime is 65533229. The reversal of 65533223 is 32233556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65533223 - 2² = 65533219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65533229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246233 + ... + 246498.

It is an arithmetic number, because the mean of its divisors is an integer number (9854640).

Almost surely, 2^65533223 is an apocalyptic number.

65533223 is a deficient number, since it is larger than the sum of its proper divisors (13303897).

65533223 is a wasteful number, since it uses less digits than its factorization.

65533223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492757.

The product of its digits is 16200, while the sum is 29.

The square root of 65533223 is about 8095.2592917089. The cubic root of 65533223 is about 403.1690412232.

Adding to 65533223 its reverse (32233556), we get a palindrome (97766779).

It can be divided in two parts, 65533 and 223, that added together give a palindrome (65756).

The spelling of 65533223 in words is "sixty-five million, five hundred thirty-three thousand, two hundred twenty-three".