601225578 has 20 divisors (see below), whose sum is σ = 1347191010. Its totient is φ = 200408472.

The previous prime is 601225567. The next prime is 601225631. The reversal of 601225578 is 875522106.

It is a happy number.

601225578 is a `hidden beast` number, since 60 + 1 + 2 + 25 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 440874009 + 160351569 = 20997^2 + 12663^2 .

It is a super-2 number, since 2×601225578² = 722944391282868168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1855473 + ... + 1855796.

Almost surely, 2^601225578 is an apocalyptic number.

601225578 is an abundant number, since it is smaller than the sum of its proper divisors (745965432).

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

601225578 is a wasteful number, since it uses less digits than its factorization.

601225578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711283 (or 3711274 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 601225578 is about 24519.9016719073. The cubic root of 601225578 is about 844.0065483571.

The spelling of 601225578 in words is "six hundred one million, two hundred twenty-five thousand, five hundred seventy-eight".