2221445364 has 48 divisors (see below), whose sum is σ = 5225665536. Its totient is φ = 734464000.

The previous prime is 2221445353. The next prime is 2221445383. The reversal of 2221445364 is 4635441222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917884 + ... + 920300.

It is an arithmetic number, because the mean of its divisors is an integer number (108868032).

Almost surely, 2^2221445364 is an apocalyptic number.

It is an amenable number.

2221445364 is an abundant number, since it is smaller than the sum of its proper divisors (3004220172).

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

2221445364 is a wasteful number, since it uses less digits than its factorization.

2221445364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 3014 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 2221445364 is about 47132.2115330906. The cubic root of 2221445364 is about 1304.8037978105.

Adding to 2221445364 its reverse (4635441222), we get a palindrome (6856886586).

The spelling of 2221445364 in words is "two billion, two hundred twenty-one million, four hundred forty-five thousand, three hundred sixty-four".