226405447451 has 2 divisors, whose sum is σ = 226405447452. Its totient is φ = 226405447450.

The previous prime is 226405447421. The next prime is 226405447453. The reversal of 226405447451 is 154744504622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226405447451 - 2¹⁰ = 226405446427 is a prime.

It is a Sophie Germain prime.

Together with 226405447453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226405447453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113202723725 + 113202723726.

It is an arithmetic number, because the mean of its divisors is an integer number (113202723726).

Almost surely, 2^226405447451 is an apocalyptic number.

226405447451 is a deficient number, since it is larger than the sum of its proper divisors (1).

226405447451 is an equidigital number, since it uses as much as digits as its factorization.

226405447451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 226405447451 in words is "two hundred twenty-six billion, four hundred five million, four hundred forty-seven thousand, four hundred fifty-one".