226905447553 has 2 divisors, whose sum is σ = 226905447554. Its totient is φ = 226905447552.

The previous prime is 226905447551. The next prime is 226905447647. The reversal of 226905447553 is 355744509622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215748173169 + 11157274384 = 464487^2 + 105628^2 .

It is a cyclic number.

It is not a de Polignac number, because 226905447553 - 2¹ = 226905447551 is a prime.

Together with 226905447551, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 226905447553.

It is not a weakly prime, because it can be changed into another prime (226905447551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113452723776 + 113452723777.

It is an arithmetic number, because the mean of its divisors is an integer number (113452723777).

Almost surely, 2^226905447553 is an apocalyptic number.

It is an amenable number.

226905447553 is a deficient number, since it is larger than the sum of its proper divisors (1).

226905447553 is an equidigital number, since it uses as much as digits as its factorization.

226905447553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 226905447553 in words is "two hundred twenty-six billion, nine hundred five million, four hundred forty-seven thousand, five hundred fifty-three".