11474221 has 4 divisors (see below), whose sum is σ = 12517344. Its totient is φ = 10431100.

The previous prime is 11474209. The next prime is 11474231. The reversal of 11474221 is 12247411.

11474221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12247411 = 11 ⋅1113401.

It is a cyclic number.

It is not a de Polignac number, because 11474221 - 2⁷ = 11474093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11474192 and 11474201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11474231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521545 + ... + 521566.

It is an arithmetic number, because the mean of its divisors is an integer number (3129336).

Almost surely, 2^11474221 is an apocalyptic number.

11474221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11474221 is a deficient number, since it is larger than the sum of its proper divisors (1043123).

11474221 is a wasteful number, since it uses less digits than its factorization.

11474221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043122.

The product of its digits is 448, while the sum is 22.

The square root of 11474221 is about 3387.3619529067. The cubic root of 11474221 is about 225.5490852713.

The spelling of 11474221 in words is "eleven million, four hundred seventy-four thousand, two hundred twenty-one".