10442221277 has 2 divisors, whose sum is σ = 10442221278. Its totient is φ = 10442221276.

The previous prime is 10442221217. The next prime is 10442221291. The reversal of 10442221277 is 77212224401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9242707321 + 1199513956 = 96139^2 + 34634^2 .

It is a cyclic number.

It is not a de Polignac number, because 10442221277 - 2⁶ = 10442221213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10442221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221110638 + 5221110639.

It is an arithmetic number, because the mean of its divisors is an integer number (5221110639).

Almost surely, 2^10442221277 is an apocalyptic number.

It is an amenable number.

10442221277 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442221277 is an equidigital number, since it uses as much as digits as its factorization.

10442221277 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 32.

Adding to 10442221277 its reverse (77212224401), we get a palindrome (87654445678).

The spelling of 10442221277 in words is "ten billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred seventy-seven".