422323231242 has 64 divisors (see below), whose sum is σ = 943288980480. Its totient is φ = 124943817600.

The previous prime is 422323231223. The next prime is 422323231261. The reversal of 422323231242 is 242132323224.

It is an interprime number because it is at equal distance from previous prime (422323231223) and next prime (422323231261).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6440859 + ... + 6506097.

It is an arithmetic number, because the mean of its divisors is an integer number (14738890320).

Almost surely, 2^422323231242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422323231242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471644490240).

422323231242 is an abundant number, since it is smaller than the sum of its proper divisors (520965749238).

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

422323231242 is a wasteful number, since it uses less digits than its factorization.

422323231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67579.

The product of its digits is 27648, while the sum is 30.

Adding to 422323231242 its reverse (242132323224), we get a palindrome (664455554466).

The spelling of 422323231242 in words is "four hundred twenty-two billion, three hundred twenty-three million, two hundred thirty-one thousand, two hundred forty-two".