622638029 has 16 divisors (see below), whose sum is σ = 685081152. Its totient is φ = 562407168.

The previous prime is 622638019. The next prime is 622638061. The reversal of 622638029 is 920836226.

It is a cyclic number.

It is not a de Polignac number, because 622638029 - 2²⁸ = 354202573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622637983 and 622638001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622638019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112757 + ... + 118149.

It is an arithmetic number, because the mean of its divisors is an integer number (42817572).

Almost surely, 2^622638029 is an apocalyptic number.

It is an amenable number.

622638029 is a deficient number, since it is larger than the sum of its proper divisors (62443123).

622638029 is a wasteful number, since it uses less digits than its factorization.

622638029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 622638029 is about 24952.7158642101. The cubic root of 622638029 is about 853.9095700857.

The spelling of 622638029 in words is "six hundred twenty-two million, six hundred thirty-eight thousand, twenty-nine".