622830149 has 2 divisors, whose sum is σ = 622830150. Its totient is φ = 622830148.

The previous prime is 622830121. The next prime is 622830161. The reversal of 622830149 is 941038226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581677924 + 41152225 = 24118^2 + 6415^2 .

It is a cyclic number.

It is not a de Polignac number, because 622830149 - 2¹⁶ = 622764613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622830119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311415074 + 311415075.

It is an arithmetic number, because the mean of its divisors is an integer number (311415075).

Almost surely, 2^622830149 is an apocalyptic number.

It is an amenable number.

622830149 is a deficient number, since it is larger than the sum of its proper divisors (1).

622830149 is an equidigital number, since it uses as much as digits as its factorization.

622830149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 622830149 is about 24956.5652484472. The cubic root of 622830149 is about 853.9973879555.

The spelling of 622830149 in words is "six hundred twenty-two million, eight hundred thirty thousand, one hundred forty-nine".