1516222808242 has 16 divisors (see below), whose sum is σ = 2327365194840. Its totient is φ = 740559336192.

The previous prime is 1516222808213. The next prime is 1516222808273. The reversal of 1516222808242 is 2428082226151.

It can be written as a sum of positive squares in 4 ways, for example, as 1374922750041 + 141300058201 = 1172571^2 + 375899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31207143 + ... + 31255690.

Almost surely, 2^{1516222808242} is an apocalyptic number.

1516222808242 is a deficient number, since it is larger than the sum of its proper divisors (811142386598).

1516222808242 is a wasteful number, since it uses less digits than its factorization.

1516222808242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62463117.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 1516222808242 in words is "one trillion, five hundred sixteen billion, two hundred twenty-two million, eight hundred eight thousand, two hundred forty-two".