240421422 has 8 divisors (see below), whose sum is σ = 480842856. Its totient is φ = 80140472.

The previous prime is 240421381. The next prime is 240421427. The reversal of 240421422 is 224124042.

It is a sphenic number, since it is the product of 3 distinct primes.

240421422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240421427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20035113 + ... + 20035124.

It is an arithmetic number, because the mean of its divisors is an integer number (60105357).

Almost surely, 2^240421422 is an apocalyptic number.

240421422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

240421422 is a wasteful number, since it uses less digits than its factorization.

240421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40070242.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 240421422 is about 15505.5287558987. The cubic root of 240421422 is about 621.8100263153.

Adding to 240421422 its reverse (224124042), we get a palindrome (464545464).

The spelling of 240421422 in words is "two hundred forty million, four hundred twenty-one thousand, four hundred twenty-two".