227399138 has 6 divisors (see below), whose sum is σ = 341130699. Its totient is φ = 113688906.

The previous prime is 227399111. The next prime is 227399147. The reversal of 227399138 is 831993722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113699569 + 113699569 = 10663^2 + 10663^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10663.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15995 + ... + 26657.

Almost surely, 2^227399138 is an apocalyptic number.

227399138 is a deficient number, since it is larger than the sum of its proper divisors (113731561).

227399138 is an frugal number, since it uses more digits than its factorization.

227399138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328 (or 10665 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 227399138 is about 15079.7592155843. The cubic root of 227399138 is about 610.3743451597.

The spelling of 227399138 in words is "two hundred twenty-seven million, three hundred ninety-nine thousand, one hundred thirty-eight".