226537138 has 8 divisors (see below), whose sum is σ = 359794332. Its totient is φ = 106605696.

The previous prime is 226537127. The next prime is 226537141. The reversal of 226537138 is 831735622.

It can be written as a sum of positive squares in 2 ways, for example, as 169338169 + 57198969 = 13013^2 + 7563^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 226537097 and 226537106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331395 + ... + 3331462.

Almost surely, 2^226537138 is an apocalyptic number.

226537138 is a deficient number, since it is larger than the sum of its proper divisors (133257194).

226537138 is a wasteful number, since it uses less digits than its factorization.

226537138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662876.

The product of its digits is 60480, while the sum is 37.

The square root of 226537138 is about 15051.1507201277. The cubic root of 226537138 is about 609.6021216168.

It can be divided in two parts, 22653 and 7138, that added together give a cube (29791 = 31³).

The spelling of 226537138 in words is "two hundred twenty-six million, five hundred thirty-seven thousand, one hundred thirty-eight".