4421287238 has 8 divisors (see below), whose sum is σ = 6642858432. Its totient is φ = 2207001096.

The previous prime is 4421287231. The next prime is 4421287271. The reversal of 4421287238 is 8327821244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4421287195 and 4421287204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421287231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1819745 + ... + 1822172.

It is an arithmetic number, because the mean of its divisors is an integer number (830357304).

Almost surely, 2^4421287238 is an apocalyptic number.

4421287238 is a deficient number, since it is larger than the sum of its proper divisors (2221571194).

4421287238 is a wasteful number, since it uses less digits than its factorization.

4421287238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642526.

The product of its digits is 172032, while the sum is 41.

The square root of 4421287238 is about 66492.7607939391. The cubic root of 4421287238 is about 1641.2808799182.

The spelling of 4421287238 in words is "four billion, four hundred twenty-one million, two hundred eighty-seven thousand, two hundred thirty-eight".