226015561349 has 2 divisors, whose sum is σ = 226015561350. Its totient is φ = 226015561348.

The previous prime is 226015561339. The next prime is 226015561403. The reversal of 226015561349 is 943165510622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225998504449 + 17056900 = 475393^2 + 4130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226015561349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226015561319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113007780674 + 113007780675.

It is an arithmetic number, because the mean of its divisors is an integer number (113007780675).

Almost surely, 2^226015561349 is an apocalyptic number.

It is an amenable number.

226015561349 is a deficient number, since it is larger than the sum of its proper divisors (1).

226015561349 is an equidigital number, since it uses as much as digits as its factorization.

226015561349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 226015561349 in words is "two hundred twenty-six billion, fifteen million, five hundred sixty-one thousand, three hundred forty-nine".