226468729 has 4 divisors (see below), whose sum is σ = 226613376. Its totient is φ = 226324084.

The previous prime is 226468717. The next prime is 226468751. The reversal of 226468729 is 927864622.

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, and also an emirpimes, since its reverse is a distinct semiprime: 927864622 = 2 ⋅463932311.

It is a cyclic number.

It is not a de Polignac number, because 226468729 - 2¹³ = 226460537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226468799) 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 in 3 ways as a sum of consecutive naturals, for example, 69949 + ... + 73114.

It is an arithmetic number, because the mean of its divisors is an integer number (56653344).

Almost surely, 2^226468729 is an apocalyptic number.

It is an amenable number.

226468729 is a deficient number, since it is larger than the sum of its proper divisors (144647).

226468729 is a wasteful number, since it uses less digits than its factorization.

226468729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144646.

The product of its digits is 580608, while the sum is 46.

The square root of 226468729 is about 15048.8779980436. The cubic root of 226468729 is about 609.5407535039.

It can be divided in two parts, 22646 and 8729, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 226468729 in words is "two hundred twenty-six million, four hundred sixty-eight thousand, seven hundred twenty-nine".