8620522 has 4 divisors (see below), whose sum is σ = 12930786. Its totient is φ = 4310260.

The previous prime is 8620499. The next prime is 8620529. The reversal of 8620522 is 2250268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6456681 + 2163841 = 2541^2 + 1471^2 .

It is not an unprimeable number, because it can be changed into a prime (8620529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155129 + ... + 2155132.

Almost surely, 2^8620522 is an apocalyptic number.

8620522 is a deficient number, since it is larger than the sum of its proper divisors (4310264).

8620522 is a wasteful number, since it uses less digits than its factorization.

8620522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310263.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8620522 is about 2936.0725467876. The cubic root of 8620522 is about 205.0427989165.

The spelling of 8620522 in words is "eight million, six hundred twenty thousand, five hundred twenty-two".