9722405 has 16 divisors (see below), whose sum is σ = 14546304. Its totient is φ = 6060480.

The previous prime is 9722389. The next prime is 9722411. The reversal of 9722405 is 5042279.

It is not a de Polignac number, because 9722405 - 2⁴ = 9722389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12242 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (909144).

Almost surely, 2^9722405 is an apocalyptic number.

It is an amenable number.

9722405 is a deficient number, since it is larger than the sum of its proper divisors (4823899).

9722405 is a wasteful number, since it uses less digits than its factorization.

9722405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25276.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 9722405 is about 3118.0771318234. The cubic root of 9722405 is about 213.4311983167.

The spelling of 9722405 in words is "nine million, seven hundred twenty-two thousand, four hundred five".