226489450081 has 4 divisors (see below), whose sum is σ = 227000713392. Its totient is φ = 225978186772.

The previous prime is 226489450063. The next prime is 226489450123. The reversal of 226489450081 is 180054984622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226489450081 - 2¹⁵ = 226489417313 is a prime.

It is a super-2 number, since 2×226489450081² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226489450381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255630991 + ... + 255631876.

It is an arithmetic number, because the mean of its divisors is an integer number (56750178348).

Almost surely, 2^226489450081 is an apocalyptic number.

It is an amenable number.

226489450081 is a deficient number, since it is larger than the sum of its proper divisors (511263311).

226489450081 is an equidigital number, since it uses as much as digits as its factorization.

226489450081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511263310.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 226489450081 in words is "two hundred twenty-six billion, four hundred eighty-nine million, four hundred fifty thousand, eighty-one".