1466221 has 8 divisors (see below), whose sum is σ = 1508544. Its totient is φ = 1424640.

The previous prime is 1466203. The next prime is 1466243. The reversal of 1466221 is 1226641.

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 1466221 - 2¹¹ = 1464173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1466192 and 1466201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466251) 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, 7501 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (188568).

2^1466221 is an apocalyptic number.

It is an amenable number.

1466221 is a deficient number, since it is larger than the sum of its proper divisors (42323).

1466221 is a wasteful number, since it uses less digits than its factorization.

1466221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its digits is 576, while the sum is 22.

The square root of 1466221 is about 1210.8761290900. The cubic root of 1466221 is about 113.6056188535.

The spelling of 1466221 in words is "one million, four hundred sixty-six thousand, two hundred twenty-one".