870022845 has 12 divisors (see below), whose sum is σ = 1508039676. Its totient is φ = 464012160.

The previous prime is 870022831. The next prime is 870022861. The reversal of 870022845 is 548220078.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 680740281 + 189282564 = 26091^2 + 13758^2 .

It is not a de Polignac number, because 870022845 - 2⁷ = 870022717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9666876 + ... + 9666965.

It is an arithmetic number, because the mean of its divisors is an integer number (125669973).

Almost surely, 2^870022845 is an apocalyptic number.

It is an amenable number.

870022845 is a deficient number, since it is larger than the sum of its proper divisors (638016831).

870022845 is a wasteful number, since it uses less digits than its factorization.

870022845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333852 (or 19333849 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 870022845 is about 29496.1496639816. The cubic root of 870022845 is about 954.6486267085.

The spelling of 870022845 in words is "eight hundred seventy million, twenty-two thousand, eight hundred forty-five".