8722522 has 4 divisors (see below), whose sum is σ = 13083786. Its totient is φ = 4361260.

The previous prime is 8722517. The next prime is 8722541. The reversal of 8722522 is 2252278.

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., 8696601 + 25921 = 2949^2 + 161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2180629 + ... + 2180632.

Almost surely, 2^8722522 is an apocalyptic number.

8722522 is a deficient number, since it is larger than the sum of its proper divisors (4361264).

8722522 is a wasteful number, since it uses less digits than its factorization.

8722522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361263.

The product of its digits is 4480, while the sum is 28.

The square root of 8722522 is about 2953.3916096583. The cubic root of 8722522 is about 205.8483346531.

The spelling of 8722522 in words is "eight million, seven hundred twenty-two thousand, five hundred twenty-two".