845578866022 has 8 divisors (see below), whose sum is σ = 1383674508072. Its totient is φ = 384354030000.

The previous prime is 845578865969. The next prime is 845578866043. The reversal of 845578866022 is 220668875548.

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

It is a super-2 number, since 2×845578866022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19217701479 + ... + 19217701522.

It is an arithmetic number, because the mean of its divisors is an integer number (172959313509).

Almost surely, 2^845578866022 is an apocalyptic number.

845578866022 is a deficient number, since it is larger than the sum of its proper divisors (538095642050).

845578866022 is a wasteful number, since it uses less digits than its factorization.

845578866022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38435403014.

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 845578866022 in words is "eight hundred forty-five billion, five hundred seventy-eight million, eight hundred sixty-six thousand, twenty-two".