86822228 has 6 divisors (see below), whose sum is σ = 151938906. Its totient is φ = 43411112.

The previous prime is 86822189. The next prime is 86822249. The reversal of 86822228 is 82222868.

It can be written as a sum of positive squares in only one way, i.e., 54582544 + 32239684 = 7388^2 + 5678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86822191 and 86822200.

It is a congruent number.

It is an unprimeable number.

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, 10852775 + ... + 10852782.

It is an arithmetic number, because the mean of its divisors is an integer number (25323151).

Almost surely, 2^86822228 is an apocalyptic number.

It is an amenable number.

86822228 is a deficient number, since it is larger than the sum of its proper divisors (65116678).

86822228 is a wasteful number, since it uses less digits than its factorization.

86822228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21705561 (or 21705559 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 86822228 is about 9317.8446005501. The cubic root of 86822228 is about 442.8027493970.

The spelling of 86822228 in words is "eighty-six million, eight hundred twenty-two thousand, two hundred twenty-eight".