845000022 has 8 divisors (see below), whose sum is σ = 1690000056. Its totient is φ = 281666672.

The previous prime is 845000003. The next prime is 845000027. The reversal of 845000022 is 220000548.

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

845000022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70416663 + ... + 70416674.

It is an arithmetic number, because the mean of its divisors is an integer number (211250007).

Almost surely, 2^845000022 is an apocalyptic number.

845000022 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.

845000022 is a wasteful number, since it uses less digits than its factorization.

845000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140833342.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 845000022 is about 29068.8840859088. The cubic root of 845000022 is about 945.4072028030.

The spelling of 845000022 in words is "eight hundred forty-five million, twenty-two", and thus it is an aban number.