226742768451 has 32 divisors (see below), whose sum is σ = 351662277120. Its totient is φ = 144118494432.

The previous prime is 226742768411. The next prime is 226742768459. The reversal of 226742768451 is 154867247622.

226742768451 is a `hidden beast` number, since 22 + 67 + 42 + 76 + 8 + 451 = 666.

It is not a de Polignac number, because 226742768451 - 2¹⁵ = 226742735683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226742768459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404020 + ... + 785313.

It is an arithmetic number, because the mean of its divisors is an integer number (10989446160).

Almost surely, 2^226742768451 is an apocalyptic number.

226742768451 is a deficient number, since it is larger than the sum of its proper divisors (124919508669).

226742768451 is a wasteful number, since it uses less digits than its factorization.

226742768451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189672 (or 1189666 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 226742768451 in words is "two hundred twenty-six billion, seven hundred forty-two million, seven hundred sixty-eight thousand, four hundred fifty-one".