656242622 has 32 divisors (see below), whose sum is σ = 1145899008. Its totient is φ = 276050016.

The previous prime is 656242621. The next prime is 656242649. The reversal of 656242622 is 226242656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656242621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296243 + ... + 298449.

It is an arithmetic number, because the mean of its divisors is an integer number (35809344).

Almost surely, 2^656242622 is an apocalyptic number.

656242622 is a deficient number, since it is larger than the sum of its proper divisors (489656386).

656242622 is a wasteful number, since it uses less digits than its factorization.

656242622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its digits is 69120, while the sum is 35.

The square root of 656242622 is about 25617.2329106795. The cubic root of 656242622 is about 869.0034045587.

The spelling of 656242622 in words is "six hundred fifty-six million, two hundred forty-two thousand, six hundred twenty-two".