9720422 has 8 divisors (see below), whose sum is σ = 15051072. Its totient is φ = 4703400.

The previous prime is 9720407. The next prime is 9720433. The reversal of 9720422 is 2240279.

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 = 9720391 and 9720400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78329 + ... + 78452.

It is an arithmetic number, because the mean of its divisors is an integer number (1881384).

Almost surely, 2^9720422 is an apocalyptic number.

9720422 is a deficient number, since it is larger than the sum of its proper divisors (5330650).

9720422 is a wasteful number, since it uses less digits than its factorization.

9720422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156814.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 9720422 is about 3117.7591311710. The cubic root of 9720422 is about 213.4166867205.

The spelling of 9720422 in words is "nine million, seven hundred twenty thousand, four hundred twenty-two".