2185001022 has 8 divisors (see below), whose sum is σ = 4370002056. Its totient is φ = 728333672.

The previous prime is 2185001017. The next prime is 2185001099. The reversal of 2185001022 is 2201005812.

It is a happy number.

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

2185001022 is an admirable number.

It is a super-2 number, since 2×2185001022² = 9548458932282088968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2185001022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182083413 + ... + 182083424.

It is an arithmetic number, because the mean of its divisors is an integer number (546250257).

Almost surely, 2^2185001022 is an apocalyptic number.

2185001022 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.

2185001022 is a wasteful number, since it uses less digits than its factorization.

2185001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364166842.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2185001022 is about 46743.9945019678. The cubic root of 2185001022 is about 1297.6290160207.

Adding to 2185001022 its reverse (2201005812), we get a palindrome (4386006834).

The spelling of 2185001022 in words is "two billion, one hundred eighty-five million, one thousand, twenty-two".