622520117 has 2 divisors, whose sum is σ = 622520118. Its totient is φ = 622520116.

The previous prime is 622520081. The next prime is 622520131. The reversal of 622520117 is 711025226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460059601 + 162460516 = 21449^2 + 12746^2 .

It is a cyclic number.

It is not a de Polignac number, because 622520117 - 2⁶ = 622520053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622520137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311260058 + 311260059.

It is an arithmetic number, because the mean of its divisors is an integer number (311260059).

Almost surely, 2^622520117 is an apocalyptic number.

It is an amenable number.

622520117 is a deficient number, since it is larger than the sum of its proper divisors (1).

622520117 is an equidigital number, since it uses as much as digits as its factorization.

622520117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 622520117 is about 24950.3530435944. The cubic root of 622520117 is about 853.8556636762.

The spelling of 622520117 in words is "six hundred twenty-two million, five hundred twenty thousand, one hundred seventeen".