1516223 has 8 divisors (see below), whose sum is σ = 1595088. Its totient is φ = 1439424.

The previous prime is 1516217. The next prime is 1516231. The reversal of 1516223 is 3226151.

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 1516223 - 2¹² = 1512127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1516195 and 1516204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516243) 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 7 ways as a sum of consecutive naturals, for example, 1115 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (199386).

2^1516223 is an apocalyptic number.

1516223 is a deficient number, since it is larger than the sum of its proper divisors (78865).

1516223 is an equidigital number, since it uses as much as digits as its factorization.

1516223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its digits is 360, while the sum is 20.

The square root of 1516223 is about 1231.3500720754. The cubic root of 1516223 is about 114.8826275689.

The spelling of 1516223 in words is "one million, five hundred sixteen thousand, two hundred twenty-three".