505222005 has 8 divisors (see below), whose sum is σ = 808355232. Its totient is φ = 269451728.

The previous prime is 505222001. The next prime is 505222019. The reversal of 505222005 is 500222505.

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

It is a cyclic number.

It is not a de Polignac number, because 505222005 - 2² = 505222001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16840719 + ... + 16840748.

It is an arithmetic number, because the mean of its divisors is an integer number (101044404).

Almost surely, 2^505222005 is an apocalyptic number.

It is an amenable number.

505222005 is a deficient number, since it is larger than the sum of its proper divisors (303133227).

505222005 is a wasteful number, since it uses less digits than its factorization.

505222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33681475.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 505222005 is about 22477.1440579091. The cubic root of 505222005 is about 796.4541007397.

The spelling of 505222005 in words is "five hundred five million, two hundred twenty-two thousand, five".