22222101012277 has 2 divisors, whose sum is σ = 22222101012278. Its totient is φ = 22222101012276.

The previous prime is 22222101012193. The next prime is 22222101012289. The reversal of 22222101012277 is 77221010122222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18948339114961 + 3273761897316 = 4352969^2 + 1809354^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222101012277 - 2³⁹ = 21672345198389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222101012077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111050506138 + 11111050506139.

It is an arithmetic number, because the mean of its divisors is an integer number (11111050506139).

Almost surely, 2^{22222101012277} is an apocalyptic number.

It is an amenable number.

22222101012277 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222101012277 is an equidigital number, since it uses as much as digits as its factorization.

22222101012277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

Adding to 22222101012277 its reverse (77221010122222), we get a palindrome (99443111134499).

The spelling of 22222101012277 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, two hundred seventy-seven".