122220022237 has 2 divisors, whose sum is σ = 122220022238. Its totient is φ = 122220022236.

The previous prime is 122220022159. The next prime is 122220022247. The reversal of 122220022237 is 732220022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98780718436 + 23439303801 = 314294^2 + 153099^2 .

It is a cyclic number.

It is not a de Polignac number, because 122220022237 - 2¹⁹ = 122219497949 is a prime.

It is a super-2 number, since 2×122220022237² (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 (122220022247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110011118 + 61110011119.

It is an arithmetic number, because the mean of its divisors is an integer number (61110011119).

Almost surely, 2^122220022237 is an apocalyptic number.

It is an amenable number.

122220022237 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220022237 is an equidigital number, since it uses as much as digits as its factorization.

122220022237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 122220022237 its reverse (732220022221), we get a palindrome (854440044458).

The spelling of 122220022237 in words is "one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred thirty-seven".