11722297 has 8 divisors (see below), whose sum is σ = 12549600. Its totient is φ = 10916064.

The previous prime is 11722289. The next prime is 11722301. The reversal of 11722297 is 79222711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11722297 - 2³ = 11722289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11722097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108 + ... + 6349.

It is an arithmetic number, because the mean of its divisors is an integer number (1568700).

Almost surely, 2^11722297 is an apocalyptic number.

It is an amenable number.

11722297 is a deficient number, since it is larger than the sum of its proper divisors (827303).

11722297 is a wasteful number, since it uses less digits than its factorization.

11722297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535.

The product of its digits is 3528, while the sum is 31.

The square root of 11722297 is about 3423.7840177207. The cubic root of 11722297 is about 227.1629885096.

The spelling of 11722297 in words is "eleven million, seven hundred twenty-two thousand, two hundred ninety-seven".