422512272 has 240 divisors, whose sum is σ = 1532818560. Its totient is φ = 105504768.

The previous prime is 422512261. The next prime is 422512273. The reversal of 422512272 is 272215224.

It is not an unprimeable number, because it can be changed into a prime (422512273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248128 + ... + 249824.

It is an arithmetic number, because the mean of its divisors is an integer number (6386744).

Almost surely, 2^422512272 is an apocalyptic number.

422512272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422512272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766409280).

422512272 is an abundant number, since it is smaller than the sum of its proper divisors (1110306288).

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

422512272 is a wasteful number, since it uses less digits than its factorization.

422512272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750 (or 1741 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 422512272 is about 20555.1033079379. The cubic root of 422512272 is about 750.3774526741.

Adding to 422512272 its reverse (272215224), we get a palindrome (694727496).

The spelling of 422512272 in words is "four hundred twenty-two million, five hundred twelve thousand, two hundred seventy-two".