226473881 has 4 divisors (see below), whose sum is σ = 239795892. Its totient is φ = 213151872.

The previous prime is 226473859. The next prime is 226473889. The reversal of 226473881 is 188374622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146192281 + 80281600 = 12091^2 + 8960^2 .

It is a cyclic number.

It is not a de Polignac number, because 226473881 - 2¹⁸ = 226211737 is a prime.

It is a super-2 number, since 2×226473881² = 102580837550404322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226473889) 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, 6660980 + ... + 6661013.

It is an arithmetic number, because the mean of its divisors is an integer number (59948973).

Almost surely, 2^226473881 is an apocalyptic number.

It is an amenable number.

226473881 is a deficient number, since it is larger than the sum of its proper divisors (13322011).

226473881 is a wasteful number, since it uses less digits than its factorization.

226473881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322010.

The product of its digits is 129024, while the sum is 41.

The square root of 226473881 is about 15049.0491726222. The cubic root of 226473881 is about 609.5453756728.

The spelling of 226473881 in words is "two hundred twenty-six million, four hundred seventy-three thousand, eight hundred eighty-one".