22255660551077 has 2 divisors, whose sum is σ = 22255660551078. Its totient is φ = 22255660551076.

The previous prime is 22255660551071. The next prime is 22255660551097. The reversal of 22255660551077 is 77015506655222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11439777411076 + 10815883140001 = 3382274^2 + 3288751^2 .

It is a cyclic number.

It is not a de Polignac number, because 22255660551077 - 2¹² = 22255660546981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22255660551071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127830275538 + 11127830275539.

It is an arithmetic number, because the mean of its divisors is an integer number (11127830275539).

Almost surely, 2^{22255660551077} is an apocalyptic number.

It is an amenable number.

22255660551077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22255660551077 is an equidigital number, since it uses as much as digits as its factorization.

22255660551077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820000, while the sum is 53.

The spelling of 22255660551077 in words is "twenty-two trillion, two hundred fifty-five billion, six hundred sixty million, five hundred fifty-one thousand, seventy-seven".