4222644440 has 32 divisors (see below), whose sum is σ = 10858229280. Its totient is φ = 1447763712.

The previous prime is 4222644431. The next prime is 4222644479. The reversal of 4222644440 is 444462224.

It is a junction number, because it is equal to n+sod(n) for n = 4222644397 and 4222644406.

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 7 ways as a sum of consecutive naturals, for example, 7540157 + ... + 7540716.

It is an arithmetic number, because the mean of its divisors is an integer number (339319665).

Almost surely, 2^4222644440 is an apocalyptic number.

4222644440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4222644440 is an abundant number, since it is smaller than the sum of its proper divisors (6635584840).

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

4222644440 is a wasteful number, since it uses less digits than its factorization.

4222644440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15080891 (or 15080887 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 4222644440 is about 64981.8777814246. The cubic root of 4222644440 is about 1616.3230685570.

The spelling of 4222644440 in words is "four billion, two hundred twenty-two million, six hundred forty-four thousand, four hundred forty".