4005422272 has 28 divisors (see below), whose sum is σ = 8163082480. Its totient is φ = 1948582656.

The previous prime is 4005422263. The next prime is 4005422293. The reversal of 4005422272 is 2722245004.

It is a self number, because there is not a number n which added to its sum of digits gives 4005422272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843372 + ... + 848107.

It is an arithmetic number, because the mean of its divisors is an integer number (291538660).

Almost surely, 2^4005422272 is an apocalyptic number.

It is an amenable number.

4005422272 is an abundant number, since it is smaller than the sum of its proper divisors (4157660208).

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

4005422272 is a wasteful number, since it uses less digits than its factorization.

4005422272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691528 (or 1691518 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 4005422272 is about 63288.4055100142. The cubic root of 4005422272 is about 1588.1180047960.

Adding to 4005422272 its reverse (2722245004), we get a palindrome (6727667276).

It can be divided in two parts, 40054 and 22272, that added together give a palindrome (62326).

The spelling of 4005422272 in words is "four billion, five million, four hundred twenty-two thousand, two hundred seventy-two".