422421234 has 32 divisors (see below), whose sum is σ = 862436160. Its totient is φ = 137905152.

The previous prime is 422421229. The next prime is 422421247. The reversal of 422421234 is 432124224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53442 + ... + 60834.

It is an arithmetic number, because the mean of its divisors is an integer number (26951130).

Almost surely, 2^422421234 is an apocalyptic number.

422421234 is an abundant number, since it is smaller than the sum of its proper divisors (440014926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422421234 is a wasteful number, since it uses less digits than its factorization.

422421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594.

The product of its digits is 3072, while the sum is 24.

The square root of 422421234 is about 20552.8887020779. Note that the first 3 decimals coincide. The cubic root of 422421234 is about 750.3235546187.

Adding to 422421234 its reverse (432124224), we get a palindrome (854545458).

The spelling of 422421234 in words is "four hundred twenty-two million, four hundred twenty-one thousand, two hundred thirty-four".