1516226447 has 8 divisors (see below), whose sum is σ = 1675217376. Its totient is φ = 1364991232.

The previous prime is 1516226423. The next prime is 1516226449. The reversal of 1516226447 is 7446226151.

It is a happy number.

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 1516226447 - 2¹⁶ = 1516160911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1516226447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516226449) 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, 1938518 + ... + 1939299.

It is an arithmetic number, because the mean of its divisors is an integer number (209402172).

Almost surely, 2^1516226447 is an apocalyptic number.

1516226447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1516226447 is a deficient number, since it is larger than the sum of its proper divisors (158990929).

1516226447 is a wasteful number, since it uses less digits than its factorization.

1516226447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877857.

The product of its digits is 80640, while the sum is 38.

The square root of 1516226447 is about 38938.7525095502. The cubic root of 1516226447 is about 1148.8271462740.

The spelling of 1516226447 in words is "one billion, five hundred sixteen million, two hundred twenty-six thousand, four hundred forty-seven".