87222853 has 2 divisors, whose sum is σ = 87222854. Its totient is φ = 87222852.

The previous prime is 87222841. The next prime is 87222859. The reversal of 87222853 is 35822278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76352644 + 10870209 = 8738^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 87222853 - 2²⁵ = 53668421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87222859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43611426 + 43611427.

It is an arithmetic number, because the mean of its divisors is an integer number (43611427).

Almost surely, 2^87222853 is an apocalyptic number.

It is an amenable number.

87222853 is a deficient number, since it is larger than the sum of its proper divisors (1).

87222853 is an equidigital number, since it uses as much as digits as its factorization.

87222853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 87222853 is about 9339.3175874900. The cubic root of 87222853 is about 443.4827814442.

The spelling of 87222853 in words is "eighty-seven million, two hundred twenty-two thousand, eight hundred fifty-three".