860862229 has 2 divisors, whose sum is σ = 860862230. Its totient is φ = 860862228.

The previous prime is 860862227. The next prime is 860862257. The reversal of 860862229 is 922268068.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640191204 + 220671025 = 25302^2 + 14855^2 .

It is a cyclic number.

It is not a de Polignac number, because 860862229 - 2¹ = 860862227 is a prime.

Together with 860862227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860862227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430431114 + 430431115.

It is an arithmetic number, because the mean of its divisors is an integer number (430431115).

Almost surely, 2^860862229 is an apocalyptic number.

It is an amenable number.

860862229 is a deficient number, since it is larger than the sum of its proper divisors (1).

860862229 is an equidigital number, since it uses as much as digits as its factorization.

860862229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 860862229 is about 29340.4537967633. The cubic root of 860862229 is about 951.2862462597.

The spelling of 860862229 in words is "eight hundred sixty million, eight hundred sixty-two thousand, two hundred twenty-nine".