226555013 has 2 divisors, whose sum is σ = 226555014. Its totient is φ = 226555012.

The previous prime is 226555001. The next prime is 226555079. The reversal of 226555013 is 310555622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217179169 + 9375844 = 14737^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 226555013 - 2⁴ = 226554997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226555093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113277506 + 113277507.

It is an arithmetic number, because the mean of its divisors is an integer number (113277507).

Almost surely, 2^226555013 is an apocalyptic number.

It is an amenable number.

226555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

226555013 is an equidigital number, since it uses as much as digits as its factorization.

226555013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 226555013 is about 15051.7445168326. The cubic root of 226555013 is about 609.6181548250.

The spelling of 226555013 in words is "two hundred twenty-six million, five hundred fifty-five thousand, thirteen".