865229922 has 12 divisors (see below), whose sum is σ = 1874664870. Its totient is φ = 288409968.

The previous prime is 865229921. The next prime is 865229947. The reversal of 865229922 is 229922568.

It can be written as a sum of positive squares in only one way, i.e., 516698361 + 348531561 = 22731^2 + 18669^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (865229921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24034147 + ... + 24034182.

Almost surely, 2^865229922 is an apocalyptic number.

865229922 is an abundant number, since it is smaller than the sum of its proper divisors (1009434948).

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

865229922 is a wasteful number, since it uses less digits than its factorization.

865229922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48068337 (or 48068334 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 865229922 is about 29414.7908712607. The cubic root of 865229922 is about 952.8923565955.

The spelling of 865229922 in words is "eight hundred sixty-five million, two hundred twenty-nine thousand, nine hundred twenty-two".