65223464 has 8 divisors (see below), whose sum is σ = 122294010. Its totient is φ = 32611728.

The previous prime is 65223463. The next prime is 65223481. The reversal of 65223464 is 46432256.

It can be written as a sum of positive squares in only one way, i.e., 37576900 + 27646564 = 6130^2 + 5258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 65223464.

It is not an unprimeable number, because it can be changed into a prime (65223461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076459 + ... + 4076474.

Almost surely, 2^65223464 is an apocalyptic number.

It is an amenable number.

65223464 is a deficient number, since it is larger than the sum of its proper divisors (57070546).

65223464 is a wasteful number, since it uses less digits than its factorization.

65223464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152939 (or 8152935 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 65223464 is about 8076.1045065056. The cubic root of 65223464 is about 402.5328116456.

The spelling of 65223464 in words is "sixty-five million, two hundred twenty-three thousand, four hundred sixty-four".