11329221 has 8 divisors (see below), whose sum is σ = 15156064. Its totient is φ = 7527600.

The previous prime is 11329217. The next prime is 11329237. The reversal of 11329221 is 12292311.

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

It is not a de Polignac number, because 11329221 - 2² = 11329217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11329261) 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, 5230 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (1894508).

Almost surely, 2^11329221 is an apocalyptic number.

It is an amenable number.

11329221 is a deficient number, since it is larger than the sum of its proper divisors (3826843).

11329221 is a wasteful number, since it uses less digits than its factorization.

11329221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611.

The product of its digits is 216, while the sum is 21.

The square root of 11329221 is about 3365.8908181936. The cubic root of 11329221 is about 224.5949651392.

The spelling of 11329221 in words is "eleven million, three hundred twenty-nine thousand, two hundred twenty-one".