2222012321 has 8 divisors (see below), whose sum is σ = 2268692160. Its totient is φ = 2175730128.

The previous prime is 2222012297. The next prime is 2222012329. The reversal of 2222012321 is 1232102222.

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

It is a de Polignac number, because none of the positive numbers 2^k-2222012321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222012321.

It is not an unprimeable number, because it can be changed into a prime (2222012329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88106 + ... + 110483.

It is an arithmetic number, because the mean of its divisors is an integer number (283586520).

Almost surely, 2^2222012321 is an apocalyptic number.

It is an amenable number.

2222012321 is a deficient number, since it is larger than the sum of its proper divisors (46679839).

2222012321 is a wasteful number, since it uses less digits than its factorization.

2222012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198823.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2222012321 is about 47138.2256878640. The cubic root of 2222012321 is about 1304.9147923208.

Adding to 2222012321 its reverse (1232102222), we get a palindrome (3454114543).

The spelling of 2222012321 in words is "two billion, two hundred twenty-two million, twelve thousand, three hundred twenty-one".