11221853 has 8 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 10479040.

The previous prime is 11221843. The next prime is 11221883. The reversal of 11221853 is 35812211.

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 11221853 - 2⁶ = 11221789 is a prime.

It is a super-3 number, since 3×11221853³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221843) 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, 293 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^11221853 is an apocalyptic number.

It is an amenable number.

11221853 is a deficient number, since it is larger than the sum of its proper divisors (753187).

11221853 is a wasteful number, since it uses less digits than its factorization.

11221853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187.

The product of its digits is 480, while the sum is 23.

The square root of 11221853 is about 3349.9034314440. The cubic root of 11221853 is about 223.8832100046.

The spelling of 11221853 in words is "eleven million, two hundred twenty-one thousand, eight hundred fifty-three".