65552202231 has 4 divisors (see below), whose sum is σ = 87402936312. Its totient is φ = 43701468152.

The previous prime is 65552202223. The next prime is 65552202253. The reversal of 65552202231 is 13220225556.

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

It is a cyclic number.

It is not a de Polignac number, because 65552202231 - 2³ = 65552202223 is a prime.

It is a super-2 number, since 2×65552202231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65552202192 and 65552202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65552202281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10925367036 + ... + 10925367041.

It is an arithmetic number, because the mean of its divisors is an integer number (21850734078).

Almost surely, 2^65552202231 is an apocalyptic number.

65552202231 is a deficient number, since it is larger than the sum of its proper divisors (21850734081).

65552202231 is a wasteful number, since it uses less digits than its factorization.

65552202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21850734080.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 65552202231 its reverse (13220225556), we get a palindrome (78772427787).

The spelling of 65552202231 in words is "sixty-five billion, five hundred fifty-two million, two hundred two thousand, two hundred thirty-one".