11792221 has 8 divisors (see below), whose sum is σ = 13504064. Its totient is φ = 10087200.

The previous prime is 11792219. The next prime is 11792239. The reversal of 11792221 is 12229711.

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 11792221 - 2¹ = 11792219 is a prime.

It is a super-2 number, since 2×11792221² = 278112952225682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11732221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806 + ... + 5608.

It is an arithmetic number, because the mean of its divisors is an integer number (1688008).

Almost surely, 2^11792221 is an apocalyptic number.

It is an amenable number.

11792221 is a deficient number, since it is larger than the sum of its proper divisors (1711843).

11792221 is an equidigital number, since it uses as much as digits as its factorization.

11792221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411.

The product of its digits is 504, while the sum is 25.

The square root of 11792221 is about 3433.9803435663. The cubic root of 11792221 is about 227.6137723408.

The spelling of 11792221 in words is "eleven million, seven hundred ninety-two thousand, two hundred twenty-one".