65122203 has 4 divisors (see below), whose sum is σ = 86829608. Its totient is φ = 43414800.

The previous prime is 65122193. The next prime is 65122229. The reversal of 65122203 is 30222156.

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

It is not a de Polignac number, because 65122203 - 2⁹ = 65121691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65122203.

It is not an unprimeable number, because it can be changed into a prime (65122273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10853698 + ... + 10853703.

It is an arithmetic number, because the mean of its divisors is an integer number (21707402).

Almost surely, 2^65122203 is an apocalyptic number.

65122203 is a deficient number, since it is larger than the sum of its proper divisors (21707405).

65122203 is a wasteful number, since it uses less digits than its factorization.

65122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21707404.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65122203 is about 8069.8328978982. The cubic root of 65122203 is about 402.3243897841.

Adding to 65122203 its reverse (30222156), we get a palindrome (95344359).

The spelling of 65122203 in words is "sixty-five million, one hundred twenty-two thousand, two hundred three".