11362221 has 16 divisors (see below), whose sum is σ = 18128320. Its totient is φ = 6991920.

The previous prime is 11362199. The next prime is 11362261. The reversal of 11362221 is 12226311.

It is not a de Polignac number, because 11362221 - 2⁵ = 11362189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11362194 and 11362203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11362261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15835 + ... + 16536.

It is an arithmetic number, because the mean of its divisors is an integer number (1133020).

Almost surely, 2^11362221 is an apocalyptic number.

It is an amenable number.

11362221 is a deficient number, since it is larger than the sum of its proper divisors (6766099).

11362221 is a wasteful number, since it uses less digits than its factorization.

11362221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32393 (or 32387 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11362221 is about 3370.7893734258. The cubic root of 11362221 is about 224.8128221073.

Adding to 11362221 its reverse (12226311), we get a palindrome (23588532).

The spelling of 11362221 in words is "eleven million, three hundred sixty-two thousand, two hundred twenty-one".