9722642 has 8 divisors (see below), whose sum is σ = 15351600. Its totient is φ = 4605444.

The previous prime is 9722641. The next prime is 9722659. The reversal of 9722642 is 2462279.

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

It is a junction number, because it is equal to n+sod(n) for n = 9722599 and 9722608.

It is not an unprimeable number, because it can be changed into a prime (9722641) 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, 127892 + ... + 127967.

It is an arithmetic number, because the mean of its divisors is an integer number (1918950).

Almost surely, 2^9722642 is an apocalyptic number.

9722642 is a deficient number, since it is larger than the sum of its proper divisors (5628958).

9722642 is a wasteful number, since it uses less digits than its factorization.

9722642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255880.

The product of its digits is 12096, while the sum is 32.

The square root of 9722642 is about 3118.1151357832. The cubic root of 9722642 is about 213.4329325509.

The spelling of 9722642 in words is "nine million, seven hundred twenty-two thousand, six hundred forty-two".