65226869 has 2 divisors, whose sum is σ = 65226870. Its totient is φ = 65226868.

The previous prime is 65226809. The next prime is 65226881. The reversal of 65226869 is 96862256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58140625 + 7086244 = 7625^2 + 2662^2 .

It is a cyclic number.

It is not a de Polignac number, because 65226869 - 2²⁰ = 64178293 is a prime.

It is a super-2 number, since 2×65226869² = 8509088879086322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65226809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32613434 + 32613435.

It is an arithmetic number, because the mean of its divisors is an integer number (32613435).

Almost surely, 2^65226869 is an apocalyptic number.

It is an amenable number.

65226869 is a deficient number, since it is larger than the sum of its proper divisors (1).

65226869 is an equidigital number, since it uses as much as digits as its factorization.

65226869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 65226869 is about 8076.3153108333. The cubic root of 65226869 is about 402.5398162841.

The spelling of 65226869 in words is "sixty-five million, two hundred twenty-six thousand, eight hundred sixty-nine".