21870968222 has 8 divisors (see below), whose sum is σ = 33937709400. Its totient is φ = 10558398424.

The previous prime is 21870968177. The next prime is 21870968227. The reversal of 21870968222 is 22286907812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21870968227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188542772 + ... + 188542887.

It is an arithmetic number, because the mean of its divisors is an integer number (4242213675).

Almost surely, 2^21870968222 is an apocalyptic number.

21870968222 is a deficient number, since it is larger than the sum of its proper divisors (12066741178).

21870968222 is a wasteful number, since it uses less digits than its factorization.

21870968222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377085690.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 21870968222 in words is "twenty-one billion, eight hundred seventy million, nine hundred sixty-eight thousand, two hundred twenty-two".