11465221 has 2 divisors, whose sum is σ = 11465222. Its totient is φ = 11465220.

The previous prime is 11465183. The next prime is 11465243. The reversal of 11465221 is 12256411.

11465221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11465243) can be obtained adding 11465221 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11464996 + 225 = 3386^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 11465221 - 2¹¹ = 11463173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11465192 and 11465201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11465291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732610 + 5732611.

It is an arithmetic number, because the mean of its divisors is an integer number (5732611).

Almost surely, 2^11465221 is an apocalyptic number.

It is an amenable number.

11465221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11465221 is an equidigital number, since it uses as much as digits as its factorization.

11465221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 11465221 is about 3386.0332248813. The cubic root of 11465221 is about 225.4900987618.

The spelling of 11465221 in words is "eleven million, four hundred sixty-five thousand, two hundred twenty-one".