870912222 has 8 divisors (see below), whose sum is σ = 1741824456. Its totient is φ = 290304072.

The previous prime is 870912221. The next prime is 870912241. The reversal of 870912222 is 222219078.

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

870912222 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870912221) 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, 72576013 + ... + 72576024.

It is an arithmetic number, because the mean of its divisors is an integer number (217728057).

Almost surely, 2^870912222 is an apocalyptic number.

870912222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

870912222 is a wasteful number, since it uses less digits than its factorization.

870912222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145152042.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 870912222 is about 29511.2219672449. The cubic root of 870912222 is about 954.9738110377.

The spelling of 870912222 in words is "eight hundred seventy million, nine hundred twelve thousand, two hundred twenty-two".