8957722 has 4 divisors (see below), whose sum is σ = 13436586. Its totient is φ = 4478860.

The previous prime is 8957693. The next prime is 8957743. The reversal of 8957722 is 2277598.

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 + 261121 = 2949^2 + 511^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 2239429 + ... + 2239432.

Almost surely, 2^8957722 is an apocalyptic number.

8957722 is a deficient number, since it is larger than the sum of its proper divisors (4478864).

8957722 is a wasteful number, since it uses less digits than its factorization.

8957722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478863.

The product of its digits is 70560, while the sum is 40.

The square root of 8957722 is about 2992.9453720374. The cubic root of 8957722 is about 207.6821606453.

The spelling of 8957722 in words is "eight million, nine hundred fifty-seven thousand, seven hundred twenty-two".