2122314221 has 8 divisors (see below), whose sum is σ = 2324644920. Its totient is φ = 1928593408.

The previous prime is 2122314217. The next prime is 2122314239. The reversal of 2122314221 is 1224132212.

It can be written as a sum of positive squares in 4 ways, for example, as 594676996 + 1527637225 = 24386^2 + 39085^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2122314221 - 2² = 2122314217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122314193 and 2122314202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122314241) 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, 2151956 + ... + 2152941.

It is an arithmetic number, because the mean of its divisors is an integer number (290580615).

Almost surely, 2^2122314221 is an apocalyptic number.

It is an amenable number.

2122314221 is a deficient number, since it is larger than the sum of its proper divisors (202330699).

2122314221 is a wasteful number, since it uses less digits than its factorization.

2122314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304943.

The product of its digits is 384, while the sum is 20.

The square root of 2122314221 is about 46068.5817124860. The cubic root of 2122314221 is about 1285.0989282242.

Adding to 2122314221 its reverse (1224132212), we get a palindrome (3346446433).

The spelling of 2122314221 in words is "two billion, one hundred twenty-two million, three hundred fourteen thousand, two hundred twenty-one".