65022131 has 2 divisors, whose sum is σ = 65022132. Its totient is φ = 65022130.

The previous prime is 65022109. The next prime is 65022143. The reversal of 65022131 is 13122056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65022131 is a prime.

It is a super-2 number, since 2×65022131² = 8455755039562322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65022151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32511065 + 32511066.

It is an arithmetic number, because the mean of its divisors is an integer number (32511066).

Almost surely, 2^65022131 is an apocalyptic number.

65022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

65022131 is an equidigital number, since it uses as much as digits as its factorization.

65022131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 65022131 is about 8063.6301378473. The cubic root of 65022131 is about 402.1182028255.

Adding to 65022131 its reverse (13122056), we get a palindrome (78144187).

The spelling of 65022131 in words is "sixty-five million, twenty-two thousand, one hundred thirty-one".