2221044441 has 32 divisors (see below), whose sum is σ = 3909316608. Its totient is φ = 1085917440.

The previous prime is 2221044437. The next prime is 2221044461. The reversal of 2221044441 is 1444401222.

It is not a de Polignac number, because 2221044441 - 2² = 2221044437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221044401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278865 + ... + 286718.

It is an arithmetic number, because the mean of its divisors is an integer number (122166144).

Almost surely, 2^2221044441 is an apocalyptic number.

2221044441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2221044441 is a deficient number, since it is larger than the sum of its proper divisors (1688272167).

2221044441 is a wasteful number, since it uses less digits than its factorization.

2221044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565621.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2221044441 is about 47127.9581671008. The cubic root of 2221044441 is about 1304.7252967685.

Adding to 2221044441 its reverse (1444401222), we get a palindrome (3665445663).

The spelling of 2221044441 in words is "two billion, two hundred twenty-one million, forty-four thousand, four hundred forty-one".