2270138 has 8 divisors (see below), whose sum is σ = 3667188. Its totient is φ = 1047744.

The previous prime is 2270137. The next prime is 2270141. The reversal of 2270138 is 8310722.

2270138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 466489 = 1343^2 + 683^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2270131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43631 + ... + 43682.

2^2270138 is an apocalyptic number.

2270138 is a deficient number, since it is larger than the sum of its proper divisors (1397050).

2270138 is a wasteful number, since it uses less digits than its factorization.

2270138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87328.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2270138 is about 1506.6977135444. The cubic root of 2270138 is about 131.4268461156.

The spelling of 2270138 in words is "two million, two hundred seventy thousand, one hundred thirty-eight".