656122234 has 8 divisors (see below), whose sum is σ = 984336660. Its totient is φ = 328010016.

The previous prime is 656122217. The next prime is 656122249. The reversal of 656122234 is 432221656.

It can be written as a sum of positive squares in 2 ways, for example, as 536154025 + 119968209 = 23155^2 + 10953^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 656122196 and 656122205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6729 + ... + 36844.

Almost surely, 2^656122234 is an apocalyptic number.

656122234 is a deficient number, since it is larger than the sum of its proper divisors (328214426).

656122234 is a wasteful number, since it uses less digits than its factorization.

656122234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51104.

The product of its digits is 17280, while the sum is 31.

The square root of 656122234 is about 25614.8830565357. The cubic root of 656122234 is about 868.9502616222.

The spelling of 656122234 in words is "six hundred fifty-six million, one hundred twenty-two thousand, two hundred thirty-four".