601664227 has 4 divisors (see below), whose sum is σ = 601732240. Its totient is φ = 601596216.

The previous prime is 601664209. The next prime is 601664251. The reversal of 601664227 is 722466106.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 722466106 = 2 ⋅361233053.

It is a cyclic number.

It is not a de Polignac number, because 601664227 - 2¹¹ = 601662179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 601664192 and 601664201.

It is not an unprimeable number, because it can be changed into a prime (601664257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18327 + ... + 39232.

It is an arithmetic number, because the mean of its divisors is an integer number (150433060).

Almost surely, 2^601664227 is an apocalyptic number.

601664227 is a deficient number, since it is larger than the sum of its proper divisors (68013).

601664227 is a wasteful number, since it uses less digits than its factorization.

601664227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68012.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 601664227 is about 24528.8447954648. The cubic root of 601664227 is about 844.2117584265.

The spelling of 601664227 in words is "six hundred one million, six hundred sixty-four thousand, two hundred twenty-seven".