801922005 has 32 divisors (see below), whose sum is σ = 1429142400. Its totient is φ = 426640896.

The previous prime is 801922003. The next prime is 801922031. The reversal of 801922005 is 500229108.

It is not a de Polignac number, because 801922005 - 2¹ = 801922003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 801922005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801922001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 49477 + ... + 63653.

It is an arithmetic number, because the mean of its divisors is an integer number (44660700).

Almost surely, 2^801922005 is an apocalyptic number.

It is an amenable number.

801922005 is a deficient number, since it is larger than the sum of its proper divisors (627220395).

801922005 is a wasteful number, since it uses less digits than its factorization.

801922005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14610 (or 14604 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 801922005 is about 28318.2274339338. The cubic root of 801922005 is about 929.0606018966.

The spelling of 801922005 in words is "eight hundred one million, nine hundred twenty-two thousand, five".