65102242 has 4 divisors (see below), whose sum is σ = 97653366. Its totient is φ = 32551120.

The previous prime is 65102237. The next prime is 65102249. The reversal of 65102242 is 24220156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33281361 + 31820881 = 5769^2 + 5641^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65102249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16275559 + ... + 16275562.

Almost surely, 2^65102242 is an apocalyptic number.

65102242 is a deficient number, since it is larger than the sum of its proper divisors (32551124).

65102242 is a wasteful number, since it uses less digits than its factorization.

65102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32551123.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 65102242 is about 8068.5960364861. The cubic root of 65102242 is about 402.2832792901.

Adding to 65102242 its reverse (24220156), we get a palindrome (89322398).

The spelling of 65102242 in words is "sixty-five million, one hundred two thousand, two hundred forty-two".