65112224 has 12 divisors (see below), whose sum is σ = 128189754. Its totient is φ = 32556096.

The previous prime is 65112199. The next prime is 65112251. The reversal of 65112224 is 42221156.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 19600 = 8068^2 + 140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65112224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1017347 + ... + 1017410.

Almost surely, 2^65112224 is an apocalyptic number.

It is an amenable number.

65112224 is a deficient number, since it is larger than the sum of its proper divisors (63077530).

65112224 is a wasteful number, since it uses less digits than its factorization.

65112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034767 (or 2034759 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 65112224 is about 8069.2145838365. The cubic root of 65112224 is about 402.3038386767.

The spelling of 65112224 in words is "sixty-five million, one hundred twelve thousand, two hundred twenty-four".