2221443122 has 8 divisors (see below), whose sum is σ = 3336028416. Its totient is φ = 1109433652.

The previous prime is 2221443073. The next prime is 2221443131. The reversal of 2221443122 is 2213441222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2221443122² = 9869619088562213768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641798 + ... + 645249.

It is an arithmetic number, because the mean of its divisors is an integer number (417003552).

Almost surely, 2^2221443122 is an apocalyptic number.

2221443122 is a deficient number, since it is larger than the sum of its proper divisors (1114585294).

2221443122 is a wasteful number, since it uses less digits than its factorization.

2221443122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287912.

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

The square root of 2221443122 is about 47132.1877489259. The cubic root of 2221443122 is about 1304.8033588513.

Adding to 2221443122 its reverse (2213441222), we get a palindrome (4434884344).

The spelling of 2221443122 in words is "two billion, two hundred twenty-one million, four hundred forty-three thousand, one hundred twenty-two".