215395223022 has 36 divisors (see below), whose sum is σ = 542883880656. Its totient is φ = 61541492040.

The previous prime is 215395222997. The next prime is 215395223111. The reversal of 215395223022 is 220322593512.

215395223022 is a `hidden beast` number, since 2 + 15 + 395 + 2 + 230 + 22 = 666.

215395223022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 122105254 + ... + 122107017.

It is an arithmetic number, because the mean of its divisors is an integer number (15080107796).

Almost surely, 2^215395223022 is an apocalyptic number.

215395223022 is an abundant number, since it is smaller than the sum of its proper divisors (327488657634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215395223022 is a wasteful number, since it uses less digits than its factorization.

215395223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244212293 (or 244212283 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 215395223022 in words is "two hundred fifteen billion, three hundred ninety-five million, two hundred twenty-three thousand, twenty-two".