656226359 has 2 divisors, whose sum is σ = 656226360. Its totient is φ = 656226358.

The previous prime is 656226331. The next prime is 656226407. The reversal of 656226359 is 953622656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 656226359 - 2¹² = 656222263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656226059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328113179 + 328113180.

It is an arithmetic number, because the mean of its divisors is an integer number (328113180).

Almost surely, 2^656226359 is an apocalyptic number.

656226359 is a deficient number, since it is larger than the sum of its proper divisors (1).

656226359 is an equidigital number, since it uses as much as digits as its factorization.

656226359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 656226359 is about 25616.9154856708. The cubic root of 656226359 is about 868.9962259540.

The spelling of 656226359 in words is "six hundred fifty-six million, two hundred twenty-six thousand, three hundred fifty-nine".