4365721422 has 64 divisors (see below), whose sum is σ = 10051257600. Its totient is φ = 1402944480.

The previous prime is 4365721411. The next prime is 4365721433. The reversal of 4365721422 is 2241275634.

4365721422 is a `hidden beast` number, since 43 + 6 + 572 + 1 + 42 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (4365721411) and next prime (4365721433).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293397 + ... + 1296767.

It is an arithmetic number, because the mean of its divisors is an integer number (157050900).

Almost surely, 2^4365721422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4365721422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5025628800).

4365721422 is an abundant number, since it is smaller than the sum of its proper divisors (5685536178).

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

4365721422 is a wasteful number, since it uses less digits than its factorization.

4365721422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238 (or 4232 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 4365721422 is about 66073.6060919941. The cubic root of 4365721422 is about 1634.3761141258.

The spelling of 4365721422 in words is "four billion, three hundred sixty-five million, seven hundred twenty-one thousand, four hundred twenty-two".