8257122 has 12 divisors (see below), whose sum is σ = 17890470. Its totient is φ = 2752368.

The previous prime is 8257057. The next prime is 8257157. The reversal of 8257122 is 2217528.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 3884841 = 2091^2 + 1971^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229347 + ... + 229382.

Almost surely, 2^8257122 is an apocalyptic number.

8257122 is an abundant number, since it is smaller than the sum of its proper divisors (9633348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8257122 is a wasteful number, since it uses less digits than its factorization.

8257122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458737 (or 458734 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 8257122 is about 2873.5208368829. The cubic root of 8257122 is about 202.1201291791.

The spelling of 8257122 in words is "eight million, two hundred fifty-seven thousand, one hundred twenty-two".