870114221 has 2 divisors, whose sum is σ = 870114222. Its totient is φ = 870114220.

The previous prime is 870114199. The next prime is 870114239. The reversal of 870114221 is 122411078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863713321 + 6400900 = 29389^2 + 2530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870114221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870114121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435057110 + 435057111.

It is an arithmetic number, because the mean of its divisors is an integer number (435057111).

Almost surely, 2^870114221 is an apocalyptic number.

It is an amenable number.

870114221 is a deficient number, since it is larger than the sum of its proper divisors (1).

870114221 is an equidigital number, since it uses as much as digits as its factorization.

870114221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 870114221 is about 29497.6985712445. The cubic root of 870114221 is about 954.6820468727.

Adding to 870114221 its reverse (122411078), we get a palindrome (992525299).

It can be divided in two parts, 8701 and 14221, that added together give a palindrome (22922).

The spelling of 870114221 in words is "eight hundred seventy million, one hundred fourteen thousand, two hundred twenty-one".