2221302044 has 12 divisors (see below), whose sum is σ = 4186300104. Its totient is φ = 1025216304.

The previous prime is 2221302043. The next prime is 2221302049. The reversal of 2221302044 is 4402031222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221302043) 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, 21358622 + ... + 21358725.

It is an arithmetic number, because the mean of its divisors is an integer number (348858342).

Almost surely, 2^2221302044 is an apocalyptic number.

It is an amenable number.

2221302044 is a deficient number, since it is larger than the sum of its proper divisors (1964998060).

2221302044 is a wasteful number, since it uses less digits than its factorization.

2221302044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42717364 (or 42717362 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221302044 is about 47130.6911046295. The cubic root of 2221302044 is about 1304.7757367254.

Adding to 2221302044 its reverse (4402031222), we get a palindrome (6623333266).

The spelling of 2221302044 in words is "two billion, two hundred twenty-one million, three hundred two thousand, forty-four".