8122355 has 4 divisors (see below), whose sum is σ = 9746832. Its totient is φ = 6497880.

The previous prime is 8122339. The next prime is 8122357. The reversal of 8122355 is 5532218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5532218 = 2 ⋅2766109.

It is not a de Polignac number, because 8122355 - 2⁴ = 8122339 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8122357) 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 in 3 ways as a sum of consecutive naturals, for example, 812231 + ... + 812240.

It is an arithmetic number, because the mean of its divisors is an integer number (2436708).

Almost surely, 2^8122355 is an apocalyptic number.

8122355 is a deficient number, since it is larger than the sum of its proper divisors (1624477).

8122355 is a wasteful number, since it uses less digits than its factorization.

8122355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624476.

The product of its digits is 2400, while the sum is 26.

The square root of 8122355 is about 2849.9745612900. The cubic root of 8122355 is about 201.0144705472.

The spelling of 8122355 in words is "eight million, one hundred twenty-two thousand, three hundred fifty-five".