1514221 has 4 divisors (see below), whose sum is σ = 1526272. Its totient is φ = 1502172.

The previous prime is 1514213. The next prime is 1514231. The reversal of 1514221 is 1224151.

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.

It is a cyclic number.

It is not a de Polignac number, because 1514221 - 2³ = 1514213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1514195 and 1514204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1514231) 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, 5835 + ... + 6088.

It is an arithmetic number, because the mean of its divisors is an integer number (381568).

2^1514221 is an apocalyptic number.

It is an amenable number.

1514221 is a deficient number, since it is larger than the sum of its proper divisors (12051).

1514221 is a wasteful number, since it uses less digits than its factorization.

1514221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050.

The product of its digits is 80, while the sum is 16.

The square root of 1514221 is about 1230.5368747014. The cubic root of 1514221 is about 114.8320421511.

Adding to 1514221 its reverse (1224151), we get a palindrome (2738372).

The spelling of 1514221 in words is "one million, five hundred fourteen thousand, two hundred twenty-one".