422010729 has 80 divisors (see below), whose sum is σ = 776878080. Its totient is φ = 222899040.

The previous prime is 422010679. The next prime is 422010733. The reversal of 422010729 is 927010224.

It is not a de Polignac number, because 422010729 - 2¹⁹ = 421486441 is a prime.

It is a super-2 number, since 2×422010729² = 356186110782222882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (422010769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 462784 + ... + 463694.

It is an arithmetic number, because the mean of its divisors is an integer number (9710976).

Almost surely, 2^422010729 is an apocalyptic number.

It is an amenable number.

422010729 is a deficient number, since it is larger than the sum of its proper divisors (354867351).

422010729 is a wasteful number, since it uses less digits than its factorization.

422010729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 422010729 is about 20542.8997222885. The cubic root of 422010729 is about 750.0804233758.

The spelling of 422010729 in words is "four hundred twenty-two million, ten thousand, seven hundred twenty-nine".