9722026 has 4 divisors (see below), whose sum is σ = 14583042. Its totient is φ = 4861012.

The previous prime is 9721991. The next prime is 9722051. The reversal of 9722026 is 6202279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6202279 = 1163 ⋅5333.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 811801 = 2985^2 + 901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9721985 and 9722003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430505 + ... + 2430508.

Almost surely, 2^9722026 is an apocalyptic number.

9722026 is a deficient number, since it is larger than the sum of its proper divisors (4861016).

9722026 is a wasteful number, since it uses less digits than its factorization.

9722026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861015.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 9722026 is about 3118.0163565960. The cubic root of 9722026 is about 213.4284249468.

The spelling of 9722026 in words is "nine million, seven hundred twenty-two thousand, twenty-six".