216222506250615 has 40 divisors (see below), whose sum is σ = 387603557202048. Its totient is φ = 115317273395520.

The previous prime is 216222506250577. The next prime is 216222506250701. The reversal of 216222506250615 is 516052605222612.

216222506250615 is a `hidden beast` number, since 2 + 1 + 6 + 2 + 2 + 2 + 5 + 0 + 6 + 25 + 0 + 615 = 666.

It is not a de Polignac number, because 216222506250615 - 2¹⁰ = 216222506249591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30688410 + ... + 37070520.

Almost surely, 2^{216222506250615} is an apocalyptic number.

216222506250615 is a deficient number, since it is larger than the sum of its proper divisors (171381050951433).

216222506250615 is an equidigital number, since it uses as much as digits as its factorization.

216222506250615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465781 (or 6465772 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 216222506250615 in words is "two hundred sixteen trillion, two hundred twenty-two billion, five hundred six million, two hundred fifty thousand, six hundred fifteen".