1516222113 has 8 divisors (see below), whose sum is σ = 2310433728. Its totient is φ = 866412624.

The previous prime is 1516222093. The next prime is 1516222133. The reversal of 1516222113 is 3112226151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1516222093) and next prime (1516222133).

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

It is not a de Polignac number, because 1516222113 - 2⁶ = 1516222049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1516222133) 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, 36100506 + ... + 36100547.

It is an arithmetic number, because the mean of its divisors is an integer number (288804216).

Almost surely, 2^1516222113 is an apocalyptic number.

It is an amenable number.

1516222113 is a deficient number, since it is larger than the sum of its proper divisors (794211615).

1516222113 is an equidigital number, since it uses as much as digits as its factorization.

1516222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72201063.

The product of its digits is 720, while the sum is 24.

The square root of 1516222113 is about 38938.6968580100. The cubic root of 1516222113 is about 1148.8260516658.

Adding to 1516222113 its reverse (3112226151), we get a palindrome (4628448264).

It can be divided in two parts, 151622 and 2113, that added together give a triangular number (153735 = T₅₅₄).

The spelling of 1516222113 in words is "one billion, five hundred sixteen million, two hundred twenty-two thousand, one hundred thirteen".