606222257 has 4 divisors (see below), whose sum is σ = 609268800. Its totient is φ = 603175716.

The previous prime is 606222179. The next prime is 606222263. The reversal of 606222257 is 752222606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606222257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606221257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522973 + ... + 1523370.

It is an arithmetic number, because the mean of its divisors is an integer number (152317200).

Almost surely, 2^606222257 is an apocalyptic number.

It is an amenable number.

606222257 is a deficient number, since it is larger than the sum of its proper divisors (3046543).

606222257 is a wasteful number, since it uses less digits than its factorization.

606222257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046542.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 606222257 is about 24621.5811230717. The cubic root of 606222257 is about 846.3382303477.

The spelling of 606222257 in words is "six hundred six million, two hundred twenty-two thousand, two hundred fifty-seven".