223426070477 has 2 divisors, whose sum is σ = 223426070478. Its totient is φ = 223426070476.

The previous prime is 223426070449. The next prime is 223426070479. The reversal of 223426070477 is 774070624322.

It is a happy number.

223426070477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188798071081 + 34627999396 = 434509^2 + 186086^2 .

It is a cyclic number.

It is not a de Polignac number, because 223426070477 - 2²⁶ = 223358961613 is a prime.

Together with 223426070479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223426070479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111713035238 + 111713035239.

It is an arithmetic number, because the mean of its divisors is an integer number (111713035239).

Almost surely, 2^223426070477 is an apocalyptic number.

It is an amenable number.

223426070477 is a deficient number, since it is larger than the sum of its proper divisors (1).

223426070477 is an equidigital number, since it uses as much as digits as its factorization.

223426070477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 44.

Adding to 223426070477 its reverse (774070624322), we get a palindrome (997496694799).

The spelling of 223426070477 in words is "two hundred twenty-three billion, four hundred twenty-six million, seventy thousand, four hundred seventy-seven".