11722245 has 8 divisors (see below), whose sum is σ = 18755616. Its totient is φ = 6251856.

The previous prime is 11722201. The next prime is 11722283. The reversal of 11722245 is 54222711.

11722245 is nontrivially palindromic in base 13.

11722245 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11722245 - 2⁹ = 11721733 is a prime.

It is a super-2 number, since 2×11722245² = 274822055680050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390727 + ... + 390756.

It is an arithmetic number, because the mean of its divisors is an integer number (2344452).

Almost surely, 2^11722245 is an apocalyptic number.

11722245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11722245 is a deficient number, since it is larger than the sum of its proper divisors (7033371).

11722245 is an equidigital number, since it uses as much as digits as its factorization.

11722245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781491.

The product of its digits is 1120, while the sum is 24.

The square root of 11722245 is about 3423.7764237754. The cubic root of 11722245 is about 227.1626526115.

Adding to 11722245 its reverse (54222711), we get a palindrome (65944956).

The spelling of 11722245 in words is "eleven million, seven hundred twenty-two thousand, two hundred forty-five".