997622029 has 2 divisors, whose sum is σ = 997622030. Its totient is φ = 997622028.

The previous prime is 997622023. The next prime is 997622051. The reversal of 997622029 is 920226799.

997622029 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 can be written as a sum of positive squares in only one way, i.e., 772562025 + 225060004 = 27795^2 + 15002^2 .

It is a cyclic number.

It is not a de Polignac number, because 997622029 - 2⁵ = 997621997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 997622029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997622023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498811014 + 498811015.

It is an arithmetic number, because the mean of its divisors is an integer number (498811015).

Almost surely, 2^997622029 is an apocalyptic number.

It is an amenable number.

997622029 is a deficient number, since it is larger than the sum of its proper divisors (1).

997622029 is an equidigital number, since it uses as much as digits as its factorization.

997622029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 997622029 is about 31585.1551998720. The cubic root of 997622029 is about 999.2067138635.

The spelling of 997622029 in words is "nine hundred ninety-seven million, six hundred twenty-two thousand, twenty-nine".