4222405272 has 64 divisors (see below), whose sum is σ = 10891584000. Its totient is φ = 1363400064.

The previous prime is 4222405261. The next prime is 4222405273. The reversal of 4222405272 is 2725042224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222405273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79479 + ... + 121497.

It is an arithmetic number, because the mean of its divisors is an integer number (170181000).

Almost surely, 2^4222405272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222405272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5445792000).

4222405272 is an abundant number, since it is smaller than the sum of its proper divisors (6669178728).

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

4222405272 is a wasteful number, since it uses less digits than its factorization.

4222405272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42160 (or 42156 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 4222405272 is about 64980.0374884472. The cubic root of 4222405272 is about 1616.2925521306.

Adding to 4222405272 its reverse (2725042224), we get a palindrome (6947447496).

The spelling of 4222405272 in words is "four billion, two hundred twenty-two million, four hundred five thousand, two hundred seventy-two".