2202021323 has 4 divisors (see below), whose sum is σ = 2202179160. Its totient is φ = 2201863488.

The previous prime is 2202021287. The next prime is 2202021337. The reversal of 2202021323 is 3231202022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2202021323 - 2⁶ = 2202021259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202021343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55718 + ... + 86651.

It is an arithmetic number, because the mean of its divisors is an integer number (550544790).

Almost surely, 2^2202021323 is an apocalyptic number.

2202021323 is a deficient number, since it is larger than the sum of its proper divisors (157837).

2202021323 is a wasteful number, since it uses less digits than its factorization.

2202021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157836.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2202021323 is about 46925.7000267444. The cubic root of 2202021323 is about 1300.9896454395.

Adding to 2202021323 its reverse (3231202022), we get a palindrome (5433223345).

The spelling of 2202021323 in words is "two billion, two hundred two million, twenty-one thousand, three hundred twenty-three".