601222131 has 6 divisors (see below), whose sum is σ = 868431980. Its totient is φ = 400814748.

The previous prime is 601222123. The next prime is 601222151. The reversal of 601222131 is 131222106.

It is not a de Polignac number, because 601222131 - 2³ = 601222123 is a prime.

It is a super-2 number, since 2×601222131² = 722936101608362322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601222151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33401221 + ... + 33401238.

Almost surely, 2^601222131 is an apocalyptic number.

601222131 is a deficient number, since it is larger than the sum of its proper divisors (267209849).

601222131 is a wasteful number, since it uses less digits than its factorization.

601222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66802465 (or 66802462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 601222131 is about 24519.8313819651. The cubic root of 601222131 is about 844.0049353762.

Adding to 601222131 its reverse (131222106), we get a palindrome (732444237).

The spelling of 601222131 in words is "six hundred one million, two hundred twenty-two thousand, one hundred thirty-one".