1022222332221 has 8 divisors (see below), whose sum is σ = 1422222375360. Its totient is φ = 651851921952.

The previous prime is 1022222332199. The next prime is 1022222332279. The reversal of 1022222332221 is 1222332222201.

1022222332221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1022222332221 - 2¹⁰ = 1022222331197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022222332191 and 1022222332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222337221) 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, 7407408136 + ... + 7407408273.

It is an arithmetic number, because the mean of its divisors is an integer number (177777796920).

Almost surely, 2^{1022222332221} is an apocalyptic number.

It is an amenable number.

1022222332221 is a deficient number, since it is larger than the sum of its proper divisors (400000043139).

1022222332221 is a wasteful number, since it uses less digits than its factorization.

1022222332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14814816435.

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

Adding to 1022222332221 its reverse (1222332222201), we get a palindrome (2244554554422).

The spelling of 1022222332221 in words is "one trillion, twenty-two billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-one".