601222005 has 24 divisors (see below), whose sum is σ = 1052869272. Its totient is φ = 317343744.

The previous prime is 601221989. The next prime is 601222009. The reversal of 601222005 is 500222106.

It can be written as a sum of positive squares in 4 ways, for example, as 19158129 + 582063876 = 4377^2 + 24126^2 .

It is not a de Polignac number, because 601222005 - 2⁴ = 601221989 is a prime.

It is a super-2 number, since 2×601222005² = 722935798592440050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601222009) 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 23 ways as a sum of consecutive naturals, for example, 64504 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (43869553).

Almost surely, 2^601222005 is an apocalyptic number.

It is an amenable number.

601222005 is a deficient number, since it is larger than the sum of its proper divisors (451647267).

601222005 is a wasteful number, since it uses less digits than its factorization.

601222005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137845 (or 137842 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 601222005 is about 24519.8288126161. The cubic root of 601222005 is about 844.0048764159.

The spelling of 601222005 in words is "six hundred one million, two hundred twenty-two thousand, five".