622972069 has 2 divisors, whose sum is σ = 622972070. Its totient is φ = 622972068.

The previous prime is 622972061. The next prime is 622972073. The reversal of 622972069 is 960279226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388484100 + 234487969 = 19710^2 + 15313^2 .

It is a cyclic number.

It is not a de Polignac number, because 622972069 - 2³ = 622972061 is a prime.

It is a super-2 number, since 2×622972069² = 776188397508281522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622972061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311486034 + 311486035.

It is an arithmetic number, because the mean of its divisors is an integer number (311486035).

Almost surely, 2^622972069 is an apocalyptic number.

It is an amenable number.

622972069 is a deficient number, since it is larger than the sum of its proper divisors (1).

622972069 is an equidigital number, since it uses as much as digits as its factorization.

622972069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 622972069 is about 24959.4084264832. The cubic root of 622972069 is about 854.0622478562.

The spelling of 622972069 in words is "six hundred twenty-two million, nine hundred seventy-two thousand, sixty-nine".