216255422395 has 8 divisors (see below), whose sum is σ = 259517914704. Its totient is φ = 172996732704.

The previous prime is 216255422389. The next prime is 216255422401. The reversal of 216255422395 is 593224552612.

It is an interprime number because it is at equal distance from previous prime (216255422389) and next prime (216255422401).

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 216255422395 - 2⁵ = 216255422363 is a prime.

It is a Duffinian number.

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, 824004 + ... + 1054273.

It is an arithmetic number, because the mean of its divisors is an integer number (32439739338).

Almost surely, 2^216255422395 is an apocalyptic number.

216255422395 is a deficient number, since it is larger than the sum of its proper divisors (43262492309).

216255422395 is a wasteful number, since it uses less digits than its factorization.

216255422395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901309.

The product of its digits is 1296000, while the sum is 46.

The spelling of 216255422395 in words is "two hundred sixteen billion, two hundred fifty-five million, four hundred twenty-two thousand, three hundred ninety-five".