601225420 has 24 divisors (see below), whose sum is σ = 1274835744. Its totient is φ = 238154496.

The previous prime is 601225411. The next prime is 601225433. The reversal of 601225420 is 24522106.

It is a super-2 number, since 2×601225420² = 722944011308352800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 601225391 and 601225400.

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 7 ways as a sum of consecutive naturals, for example, 143869 + ... + 147988.

It is an arithmetic number, because the mean of its divisors is an integer number (53118156).

Almost surely, 2^601225420 is an apocalyptic number.

It is an amenable number.

601225420 is an abundant number, since it is smaller than the sum of its proper divisors (673610324).

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

601225420 is a wasteful number, since it uses less digits than its factorization.

601225420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291969 (or 291967 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 601225420 is about 24519.8984500344. The cubic root of 601225420 is about 844.0064744231.

Adding to 601225420 its reverse (24522106), we get a palindrome (625747526).

The spelling of 601225420 in words is "six hundred one million, two hundred twenty-five thousand, four hundred twenty".