2221144562 has 64 divisors (see below), whose sum is σ = 4204569600. Its totient is φ = 856664640.

The previous prime is 2221144507. The next prime is 2221144579. The reversal of 2221144562 is 2654411222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1405889 + ... + 1407467.

It is an arithmetic number, because the mean of its divisors is an integer number (65696400).

Almost surely, 2^2221144562 is an apocalyptic number.

2221144562 is a deficient number, since it is larger than the sum of its proper divisors (1983425038).

2221144562 is a wasteful number, since it uses less digits than its factorization.

2221144562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

The product of its digits is 7680, while the sum is 29.

The square root of 2221144562 is about 47129.0203802286. The cubic root of 2221144562 is about 1304.7449014248.

Adding to 2221144562 its reverse (2654411222), we get a palindrome (4875555784).

The spelling of 2221144562 in words is "two billion, two hundred twenty-one million, one hundred forty-four thousand, five hundred sixty-two".