65223868 has 12 divisors (see below), whose sum is σ = 114205672. Its totient is φ = 32593680.

The previous prime is 65223863. The next prime is 65223869. The reversal of 65223868 is 86832256.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65223868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65223863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6403 + ... + 13093.

Almost surely, 2^65223868 is an apocalyptic number.

It is an amenable number.

65223868 is a deficient number, since it is larger than the sum of its proper divisors (48981804).

65223868 is a wasteful number, since it uses less digits than its factorization.

65223868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9132 (or 9130 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 65223868 is about 8076.1295185256. The cubic root of 65223868 is about 402.5336427520.

The spelling of 65223868 in words is "sixty-five million, two hundred twenty-three thousand, eight hundred sixty-eight".