4441221031 has 4 divisors (see below), whose sum is σ = 4782853432. Its totient is φ = 4099588632.

The previous prime is 4441221007. The next prime is 4441221061. The reversal of 4441221031 is 1301221444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4441221031 - 2⁵ = 4441220999 is a prime.

It is a super-2 number, since 2×4441221031² = 39448888492393405922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4441220993 and 4441221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441221061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170816181 + ... + 170816206.

It is an arithmetic number, because the mean of its divisors is an integer number (1195713358).

Almost surely, 2^4441221031 is an apocalyptic number.

4441221031 is a deficient number, since it is larger than the sum of its proper divisors (341632401).

4441221031 is a wasteful number, since it uses less digits than its factorization.

4441221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341632400.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4441221031 is about 66642.4866807955. The cubic root of 4441221031 is about 1643.7438056969.

Adding to 4441221031 its reverse (1301221444), we get a palindrome (5742442475).

The spelling of 4441221031 in words is "four billion, four hundred forty-one million, two hundred twenty-one thousand, thirty-one".