215356564222 has 16 divisors (see below), whose sum is σ = 329290398000. Its totient is φ = 105601769280.

The previous prime is 215356564193. The next prime is 215356564229. The reversal of 215356564222 is 222465653512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215356564229) 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, 2117847 + ... + 2217202.

It is an arithmetic number, because the mean of its divisors is an integer number (20580649875).

Almost surely, 2^215356564222 is an apocalyptic number.

215356564222 is a deficient number, since it is larger than the sum of its proper divisors (113933833778).

215356564222 is a wasteful number, since it uses less digits than its factorization.

215356564222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335531.

The product of its digits is 864000, while the sum is 43.

The spelling of 215356564222 in words is "two hundred fifteen billion, three hundred fifty-six million, five hundred sixty-four thousand, two hundred twenty-two".