226358538 has 24 divisors (see below), whose sum is σ = 526630752. Its totient is φ = 64673784.

The previous prime is 226358537. The next prime is 226358557. The reversal of 226358538 is 835853622.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 226358538.

It is not an unprimeable number, because it can be changed into a prime (226358537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384670 + ... + 385257.

It is an arithmetic number, because the mean of its divisors is an integer number (21942948).

Almost surely, 2^226358538 is an apocalyptic number.

226358538 is an abundant number, since it is smaller than the sum of its proper divisors (300272214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226358538 is a wasteful number, since it uses less digits than its factorization.

226358538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769946 (or 769939 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 226358538 is about 15045.2164490911. The cubic root of 226358538 is about 609.4418777462.

The spelling of 226358538 in words is "two hundred twenty-six million, three hundred fifty-eight thousand, five hundred thirty-eight".