226918437 has 8 divisors (see below), whose sum is σ = 315712704. Its totient is φ = 144701568.

The previous prime is 226918429. The next prime is 226918441. The reversal of 226918437 is 734819622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226918437 - 2³ = 226918429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226918037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644268 + ... + 1644405.

It is an arithmetic number, because the mean of its divisors is an integer number (39464088).

Almost surely, 2^226918437 is an apocalyptic number.

It is an amenable number.

226918437 is a deficient number, since it is larger than the sum of its proper divisors (88794267).

226918437 is a wasteful number, since it uses less digits than its factorization.

226918437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288699.

The product of its digits is 145152, while the sum is 42.

The square root of 226918437 is about 15063.8121669118. The cubic root of 226918437 is about 609.9439498800.

It can be divided in two parts, 2269 and 18437, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 226918437 in words is "two hundred twenty-six million, nine hundred eighteen thousand, four hundred thirty-seven".