11221849 has 8 divisors (see below), whose sum is σ = 11575872. Its totient is φ = 10873200.

The previous prime is 11221843. The next prime is 11221883. The reversal of 11221849 is 94812211.

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 11221849 - 2¹¹ = 11219801 is a prime.

It is a Duffinian 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, 3124 + ... + 5674.

It is an arithmetic number, because the mean of its divisors is an integer number (1446984).

Almost surely, 2^11221849 is an apocalyptic number.

It is an amenable number.

11221849 is a deficient number, since it is larger than the sum of its proper divisors (354023).

11221849 is an equidigital number, since it uses as much as digits as its factorization.

11221849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its digits is 1152, while the sum is 28.

The square root of 11221849 is about 3349.9028344118. The cubic root of 11221849 is about 223.8831834038.

The spelling of 11221849 in words is "eleven million, two hundred twenty-one thousand, eight hundred forty-nine".