606222661 has 8 divisors (see below), whose sum is σ = 690087744. Its totient is φ = 527149920.

The previous prime is 606222649. The next prime is 606222677. The reversal of 606222661 is 166222606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 606222661 - 2⁵ = 606222629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606222691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197816 + ... + 1198321.

It is an arithmetic number, because the mean of its divisors is an integer number (86260968).

Almost surely, 2^606222661 is an apocalyptic number.

It is an amenable number.

606222661 is a deficient number, since it is larger than the sum of its proper divisors (83865083).

606222661 is a wasteful number, since it uses less digits than its factorization.

606222661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396171.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 606222661 is about 24621.5893272551. The cubic root of 606222661 is about 846.3384183539.

The spelling of 606222661 in words is "six hundred six million, two hundred twenty-two thousand, six hundred sixty-one".