422004135 has 32 divisors (see below), whose sum is σ = 776010240. Its totient is φ = 191829888.

The previous prime is 422004131. The next prime is 422004197. The reversal of 422004135 is 531400224.

It is not a de Polignac number, because 422004135 - 2² = 422004131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422004131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7569 + ... + 30021.

It is an arithmetic number, because the mean of its divisors is an integer number (24250320).

Almost surely, 2^422004135 is an apocalyptic number.

422004135 is a deficient number, since it is larger than the sum of its proper divisors (354006105).

422004135 is a wasteful number, since it uses less digits than its factorization.

422004135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22647.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 422004135 is about 20542.7392282529. The cubic root of 422004135 is about 750.0765166378.

Adding to 422004135 its reverse (531400224), we get a palindrome (953404359).

The spelling of 422004135 in words is "four hundred twenty-two million, four thousand, one hundred thirty-five".