2220212222077 has 2 divisors, whose sum is σ = 2220212222078. Its totient is φ = 2220212222076.

The previous prime is 2220212222021. The next prime is 2220212222149. The reversal of 2220212222077 is 7702222120222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1870291467396 + 349920754681 = 1367586^2 + 591541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220212222077 - 2¹¹ = 2220212220029 is a prime.

It is a super-2 number, since 2×2220212222077² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220212223077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110106111038 + 1110106111039.

It is an arithmetic number, because the mean of its divisors is an integer number (1110106111039).

Almost surely, 2^{2220212222077} is an apocalyptic number.

It is an amenable number.

2220212222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220212222077 is an equidigital number, since it uses as much as digits as its factorization.

2220212222077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 31.

Adding to 2220212222077 its reverse (7702222120222), we get a palindrome (9922434342299).

The spelling of 2220212222077 in words is "two trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, seventy-seven".