4437221406 has 8 divisors (see below), whose sum is σ = 8874442824. Its totient is φ = 1479073800.

The previous prime is 4437221353. The next prime is 4437221407. The reversal of 4437221406 is 6041227344.

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

4437221406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4437221407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369768445 + ... + 369768456.

It is an arithmetic number, because the mean of its divisors is an integer number (1109305353).

Almost surely, 2^4437221406 is an apocalyptic number.

4437221406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4437221406 is a wasteful number, since it uses less digits than its factorization.

4437221406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739536906.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 4437221406 is about 66612.4718502474. The cubic root of 4437221406 is about 1643.2502227149.

The spelling of 4437221406 in words is "four billion, four hundred thirty-seven million, two hundred twenty-one thousand, four hundred six".