870597021222 has 48 divisors (see below), whose sum is σ = 1930387979520. Its totient is φ = 283416836976.

The previous prime is 870597021221. The next prime is 870597021257. The reversal of 870597021222 is 222120795078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870597021221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7002679 + ... + 7125917.

It is an arithmetic number, because the mean of its divisors is an integer number (40216416240).

Almost surely, 2^870597021222 is an apocalyptic number.

870597021222 is an abundant number, since it is smaller than the sum of its proper divisors (1059790958298).

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

870597021222 is a wasteful number, since it uses less digits than its factorization.

870597021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132417 (or 132414 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 870597021222 in words is "eight hundred seventy billion, five hundred ninety-seven million, twenty-one thousand, two hundred twenty-two".