422040342 has 16 divisors (see below), whose sum is σ = 850525632. Its totient is φ = 139605960.

The previous prime is 422040329. The next prime is 422040349. The reversal of 422040342 is 243040224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422040349) 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, 267688 + ... + 269259.

It is an arithmetic number, because the mean of its divisors is an integer number (53157852).

Almost surely, 2^422040342 is an apocalyptic number.

422040342 is an abundant number, since it is smaller than the sum of its proper divisors (428485290).

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

422040342 is a wasteful number, since it uses less digits than its factorization.

422040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537083.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 422040342 is about 20543.6204696251. The cubic root of 422040342 is about 750.0979676470.

Adding to 422040342 its reverse (243040224), we get a palindrome (665080566).

The spelling of 422040342 in words is "four hundred twenty-two million, forty thousand, three hundred forty-two".