122230223221 has 2 divisors, whose sum is σ = 122230223222. Its totient is φ = 122230223220.

The previous prime is 122230223197. The next prime is 122230223257. The reversal of 122230223221 is 122322032221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106243402500 + 15986820721 = 325950^2 + 126439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122230223221 is a prime.

It is a super-2 number, since 2×122230223221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122230223192 and 122230223201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122230223321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115111610 + 61115111611.

It is an arithmetic number, because the mean of its divisors is an integer number (61115111611).

Almost surely, 2^122230223221 is an apocalyptic number.

It is an amenable number.

122230223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122230223221 is an equidigital number, since it uses as much as digits as its factorization.

122230223221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 122230223221 its reverse (122322032221), we get a palindrome (244552255442).

The spelling of 122230223221 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred twenty-three thousand, two hundred twenty-one".