2122324221 has 4 divisors (see below), whose sum is σ = 2829765632. Its totient is φ = 1414882812.

The previous prime is 2122324219. The next prime is 2122324249. The reversal of 2122324221 is 1224232212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2122324221 - 2¹ = 2122324219 is a prime.

It is a Duffinian number.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122324291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353720701 + ... + 353720706.

It is an arithmetic number, because the mean of its divisors is an integer number (707441408).

Almost surely, 2^2122324221 is an apocalyptic number.

It is an amenable number.

2122324221 is a deficient number, since it is larger than the sum of its proper divisors (707441411).

2122324221 is an equidigital number, since it uses as much as digits as its factorization.

2122324221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707441410.

The product of its digits is 768, while the sum is 21.

The square root of 2122324221 is about 46068.6902461965. The cubic root of 2122324221 is about 1285.1009466135.

Adding to 2122324221 its reverse (1224232212), we get a palindrome (3346556433).

The spelling of 2122324221 in words is "two billion, one hundred twenty-two million, three hundred twenty-four thousand, two hundred twenty-one".