622752271 has 2 divisors, whose sum is σ = 622752272. Its totient is φ = 622752270.

The previous prime is 622752241. The next prime is 622752307. The reversal of 622752271 is 172257226.

It is a happy number.

622752271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622752271 - 2¹¹ = 622750223 is a prime.

It is equal to p_32449246 and since 622752271 and 32449246 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622752241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311376135 + 311376136.

It is an arithmetic number, because the mean of its divisors is an integer number (311376136).

Almost surely, 2^622752271 is an apocalyptic number.

622752271 is a deficient number, since it is larger than the sum of its proper divisors (1).

622752271 is an equidigital number, since it uses as much as digits as its factorization.

622752271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 622752271 is about 24955.0049288715. The cubic root of 622752271 is about 853.9617921724.

It can be divided in two parts, 62275 and 2271, that added together give a palindrome (64546).

The spelling of 622752271 in words is "six hundred twenty-two million, seven hundred fifty-two thousand, two hundred seventy-one".