422332420 has 24 divisors (see below), whose sum is σ = 898128000. Its totient is φ = 166793952.

The previous prime is 422332403. The next prime is 422332441. The reversal of 422332420 is 24233224.

It is a junction number, because it is equal to n+sod(n) for n = 422332391 and 422332400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132070 + ... + 135229.

It is an arithmetic number, because the mean of its divisors is an integer number (37422000).

Almost surely, 2^422332420 is an apocalyptic number.

It is an amenable number.

422332420 is an abundant number, since it is smaller than the sum of its proper divisors (475795580).

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

422332420 is a wasteful number, since it uses less digits than its factorization.

422332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267387 (or 267385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 422332420 is about 20550.7279676414. The cubic root of 422332420 is about 750.2709657953.

Adding to 422332420 its reverse (24233224), we get a palindrome (446565644).

The spelling of 422332420 in words is "four hundred twenty-two million, three hundred thirty-two thousand, four hundred twenty".