9722506 has 8 divisors (see below), whose sum is σ = 14601924. Its totient is φ = 4855200.

The previous prime is 9722483. The next prime is 9722507. The reversal of 9722506 is 6052279.

It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 1651225 = 2841^2 + 1285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9722507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645 + ... + 4456.

Almost surely, 2^9722506 is an apocalyptic number.

9722506 is a deficient number, since it is larger than the sum of its proper divisors (4879418).

9722506 is a wasteful number, since it uses less digits than its factorization.

9722506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 9722506 is about 3118.0933276604. The cubic root of 9722506 is about 213.4319373820.

The spelling of 9722506 in words is "nine million, seven hundred twenty-two thousand, five hundred six".