215052016222 has 4 divisors (see below), whose sum is σ = 322578024336. Its totient is φ = 107526008110.

The previous prime is 215052016213. The next prime is 215052016271. The reversal of 215052016222 is 222610250512.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×215052016222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53763004054 + ... + 53763004057.

It is an arithmetic number, because the mean of its divisors is an integer number (80644506084).

Almost surely, 2^215052016222 is an apocalyptic number.

215052016222 is a deficient number, since it is larger than the sum of its proper divisors (107526008114).

215052016222 is a wasteful number, since it uses less digits than its factorization.

215052016222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107526008113.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 215052016222 its reverse (222610250512), we get a palindrome (437662266734).

The spelling of 215052016222 in words is "two hundred fifteen billion, fifty-two million, sixteen thousand, two hundred twenty-two".