65288223 has 48 divisors (see below), whose sum is σ = 126637056. Its totient is φ = 31302720.

The previous prime is 65288221. The next prime is 65288227. The reversal of 65288223 is 32288256.

It is not a de Polignac number, because 65288223 - 2¹ = 65288221 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65288221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5386 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (2638272).

Almost surely, 2^65288223 is an apocalyptic number.

65288223 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65288223 is a deficient number, since it is larger than the sum of its proper divisors (61348833).

65288223 is a wasteful number, since it uses less digits than its factorization.

65288223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284 (or 7281 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 65288223 is about 8080.1128086185. The cubic root of 65288223 is about 402.6659896880.

The spelling of 65288223 in words is "sixty-five million, two hundred eighty-eight thousand, two hundred twenty-three".