2221103444 has 24 divisors (see below), whose sum is σ = 4465234368. Its totient is φ = 946967040.

The previous prime is 2221103411. The next prime is 2221103447. The reversal of 2221103444 is 4443011222.

It is a super-2 number, since 2×2221103444² = 9866601017897322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221103447) 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 7 ways as a sum of consecutive naturals, for example, 200102 + ... + 210909.

It is an arithmetic number, because the mean of its divisors is an integer number (186051432).

Almost surely, 2^2221103444 is an apocalyptic number.

It is an amenable number.

2221103444 is an abundant number, since it is smaller than the sum of its proper divisors (2244130924).

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

2221103444 is a wasteful number, since it uses less digits than its factorization.

2221103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411215 (or 411213 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2221103444 is about 47128.5841501737. The cubic root of 2221103444 is about 1304.7368501956.

Adding to 2221103444 its reverse (4443011222), we get a palindrome (6664114666).

The spelling of 2221103444 in words is "two billion, two hundred twenty-one million, one hundred three thousand, four hundred forty-four".