4221422240 has 96 divisors (see below), whose sum is σ = 11419035264. Its totient is φ = 1444654080.

The previous prime is 4221422239. The next prime is 4221422263. The reversal of 4221422240 is 422241224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654230 + ... + 660650.

It is an arithmetic number, because the mean of its divisors is an integer number (118948284).

Almost surely, 2^4221422240 is an apocalyptic number.

4221422240 is a gapful number since it is divisible by the number (40) 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 4221422240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5709517632).

4221422240 is an abundant number, since it is smaller than the sum of its proper divisors (7197613024).

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

4221422240 is a wasteful number, since it uses less digits than its factorization.

4221422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4221422240 is about 64972.4729404692. The cubic root of 4221422240 is about 1616.1671109411.

Adding to 4221422240 its reverse (422241224), we get a palindrome (4643663464).

The spelling of 4221422240 in words is "four billion, two hundred twenty-one million, four hundred twenty-two thousand, two hundred forty".