605707221000 has 128 divisors (see below), whose sum is σ = 2159778965760. Its totient is φ = 138447360000.

The previous prime is 605707220983. The next prime is 605707221029. The reversal of 605707221000 is 122707506.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14400601 + ... + 14442600.

It is an arithmetic number, because the mean of its divisors is an integer number (16873273170).

Almost surely, 2^605707221000 is an apocalyptic number.

605707221000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

605707221000 is an abundant number, since it is smaller than the sum of its proper divisors (1554071744760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605707221000 is a wasteful number, since it uses less digits than its factorization.

605707221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28843232 (or 28843218 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

Adding to 605707221000 its reverse (122707506), we get a palindrome (605829928506).

The spelling of 605707221000 in words is "six hundred five billion, seven hundred seven million, two hundred twenty-one thousand".