226447043623 has 2 divisors, whose sum is σ = 226447043624. Its totient is φ = 226447043622.

The previous prime is 226447043621. The next prime is 226447043629. The reversal of 226447043623 is 326340744622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226447043623 - 2¹ = 226447043621 is a prime.

It is a super-2 number, since 2×226447043623² (a number of 24 digits) contains 22 as substring.

Together with 226447043621, 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 226447043623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226447043621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113223521811 + 113223521812.

It is an arithmetic number, because the mean of its divisors is an integer number (113223521812).

Almost surely, 2^226447043623 is an apocalyptic number.

226447043623 is a deficient number, since it is larger than the sum of its proper divisors (1).

226447043623 is an equidigital number, since it uses as much as digits as its factorization.

226447043623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 43.

The spelling of 226447043623 in words is "two hundred twenty-six billion, four hundred forty-seven million, forty-three thousand, six hundred twenty-three".