422115042 has 16 divisors (see below), whose sum is σ = 845969472. Its totient is φ = 140415120.

The previous prime is 422115041. The next prime is 422115103. The reversal of 422115042 is 240511224.

It is a super-2 number, since 2×422115042² = 356362217365323528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422115041) 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, 69309 + ... + 75152.

It is an arithmetic number, because the mean of its divisors is an integer number (52873092).

Almost surely, 2^422115042 is an apocalyptic number.

422115042 is an abundant number, since it is smaller than the sum of its proper divisors (423854430).

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

422115042 is a wasteful number, since it uses less digits than its factorization.

422115042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144953.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 422115042 is about 20545.4384718360. The cubic root of 422115042 is about 750.1422201406.

Adding to 422115042 its reverse (240511224), we get a palindrome (662626266).

The spelling of 422115042 in words is "four hundred twenty-two million, one hundred fifteen thousand, forty-two".