4440602221 has 8 divisors (see below), whose sum is σ = 4856378688. Its totient is φ = 4026840000.

The previous prime is 4440602143. The next prime is 4440602263. The reversal of 4440602221 is 1222060444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4440602221 - 2⁹ = 4440601709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440602291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498945 + ... + 507766.

It is an arithmetic number, because the mean of its divisors is an integer number (607047336).

Almost surely, 2^4440602221 is an apocalyptic number.

It is an amenable number.

4440602221 is a deficient number, since it is larger than the sum of its proper divisors (415776467).

4440602221 is a wasteful number, since it uses less digits than its factorization.

4440602221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007123.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4440602221 is about 66637.8437601338. The cubic root of 4440602221 is about 1643.6674593992.

Adding to 4440602221 its reverse (1222060444), we get a palindrome (5662662665).

The spelling of 4440602221 in words is "four billion, four hundred forty million, six hundred two thousand, two hundred twenty-one".