11220849 has 40 divisors (see below), whose sum is σ = 18469440. Its totient is φ = 6757344.

The previous prime is 11220841. The next prime is 11220851. The reversal of 11220849 is 94802211.

It is not a de Polignac number, because 11220849 - 2³ = 11220841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11220841) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35239 + ... + 35555.

It is an arithmetic number, because the mean of its divisors is an integer number (461736).

Almost surely, 2^11220849 is an apocalyptic number.

11220849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11220849 is a deficient number, since it is larger than the sum of its proper divisors (7248591).

11220849 is a wasteful number, since it uses less digits than its factorization.

11220849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11220849 is about 3349.7535730259. The cubic root of 11220849 is about 223.8765329895.

The spelling of 11220849 in words is "eleven million, two hundred twenty thousand, eight hundred forty-nine".