122233223221 has 2 divisors, whose sum is σ = 122233223222. Its totient is φ = 122233223220.

The previous prime is 122233223201. The next prime is 122233223239. The reversal of 122233223221 is 122322332221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66247038225 + 55986184996 = 257385^2 + 236614^2 .

It is an emirp because it is prime and its reverse (122322332221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122233223221 - 2⁷ = 122233223093 is a prime.

It is a super-2 number, since 2×122233223221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122233223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61116611610 + 61116611611.

It is an arithmetic number, because the mean of its divisors is an integer number (61116611611).

Almost surely, 2^122233223221 is an apocalyptic number.

It is an amenable number.

122233223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122233223221 is an equidigital number, since it uses as much as digits as its factorization.

122233223221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

Adding to 122233223221 its reverse (122322332221), we get a palindrome (244555555442).

The spelling of 122233223221 in words is "one hundred twenty-two billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-one".