2221222021323 has 8 divisors (see below), whose sum is σ = 2964158511936. Its totient is φ = 1479550105800.

The previous prime is 2221222021309. The next prime is 2221222021331. The reversal of 2221222021323 is 3231202221222.

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

It is not a de Polignac number, because 2221222021323 - 2⁶ = 2221222021259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221222021293 and 2221222021302.

It is not an unprimeable number, because it can be changed into a prime (2221222021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316139673 + ... + 316146698.

It is an arithmetic number, because the mean of its divisors is an integer number (370519813992).

Almost surely, 2^{2221222021323} is an apocalyptic number.

2221222021323 is a deficient number, since it is larger than the sum of its proper divisors (742936490613).

2221222021323 is a wasteful number, since it uses less digits than its factorization.

2221222021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632287545.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2221222021323 its reverse (3231202221222), we get a palindrome (5452424242545).

The spelling of 2221222021323 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, three hundred twenty-three".