226431238 has 8 divisors (see below), whose sum is σ = 370523880. Its totient is φ = 102923280.

The previous prime is 226431199. The next prime is 226431239. The reversal of 226431238 is 832134622.

226431238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×226431238² = 102542211084425288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226431239) 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, 5146143 + ... + 5146186.

It is an arithmetic number, because the mean of its divisors is an integer number (46315485).

Almost surely, 2^226431238 is an apocalyptic number.

226431238 is a deficient number, since it is larger than the sum of its proper divisors (144092642).

226431238 is a wasteful number, since it uses less digits than its factorization.

226431238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292342.

The product of its digits is 13824, while the sum is 31.

The square root of 226431238 is about 15047.6323054493. The cubic root of 226431238 is about 609.5071159628.

The spelling of 226431238 in words is "two hundred twenty-six million, four hundred thirty-one thousand, two hundred thirty-eight".