226742078531 has 2 divisors, whose sum is σ = 226742078532. Its totient is φ = 226742078530.

The previous prime is 226742078503. The next prime is 226742078551. The reversal of 226742078531 is 135870247622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226742078531 - 2²² = 226737884227 is a prime.

It is a super-2 number, since 2×226742078531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226742078551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113371039265 + 113371039266.

It is an arithmetic number, because the mean of its divisors is an integer number (113371039266).

Almost surely, 2^226742078531 is an apocalyptic number.

226742078531 is a deficient number, since it is larger than the sum of its proper divisors (1).

226742078531 is an equidigital number, since it uses as much as digits as its factorization.

226742078531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 226742078531 in words is "two hundred twenty-six billion, seven hundred forty-two million, seventy-eight thousand, five hundred thirty-one".