1516222713 has 8 divisors (see below), whose sum is σ = 2025136288. Its totient is φ = 1009062144.

The previous prime is 1516222711. The next prime is 1516222739. The reversal of 1516222713 is 3172226151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1516222713 - 2¹ = 1516222711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516222711) 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, 436231 + ... + 439692.

It is an arithmetic number, because the mean of its divisors is an integer number (253142036).

Almost surely, 2^1516222713 is an apocalyptic number.

It is an amenable number.

1516222713 is a deficient number, since it is larger than the sum of its proper divisors (508913575).

1516222713 is an equidigital number, since it uses as much as digits as its factorization.

1516222713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876503.

The product of its digits is 5040, while the sum is 30.

The square root of 1516222713 is about 38938.7045624273. The cubic root of 1516222713 is about 1148.8262032038.

Adding to 1516222713 its reverse (3172226151), we get a palindrome (4688448864).

The spelling of 1516222713 in words is "one billion, five hundred sixteen million, two hundred twenty-two thousand, seven hundred thirteen".