422305029 has 8 divisors (see below), whose sum is σ = 625637120. Its totient is φ = 281536668.

The previous prime is 422304997. The next prime is 422305031. The reversal of 422305029 is 920503224.

It is not a de Polignac number, because 422305029 - 2⁵ = 422304997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15640927 = 422305029 / (4 + 2 + 2 + 3 + 0 + 5 + 0 + 2 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422304993 and 422305011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422305729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7820437 + ... + 7820490.

It is an arithmetic number, because the mean of its divisors is an integer number (78204640).

Almost surely, 2^422305029 is an apocalyptic number.

It is an amenable number.

422305029 is a deficient number, since it is larger than the sum of its proper divisors (203332091).

422305029 is a wasteful number, since it uses less digits than its factorization.

422305029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15640936 (or 15640930 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 422305029 is about 20550.0615327546. The cubic root of 422305029 is about 750.2547454632.

The spelling of 422305029 in words is "four hundred twenty-two million, three hundred five thousand, twenty-nine".