234222487138 has 8 divisors (see below), whose sum is σ = 351336703788. Its totient is φ = 117110252544.

The previous prime is 234222487073. The next prime is 234222487141. The reversal of 234222487138 is 831784222432.

234222487138 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 229533935409 + 4688551729 = 479097^2 + 68473^2 .

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

It is a super-2 number, since 2×234222487138² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152631 + ... + 701242.

Almost surely, 2^234222487138 is an apocalyptic number.

234222487138 is a deficient number, since it is larger than the sum of its proper divisors (117114216650).

234222487138 is a wasteful number, since it uses less digits than its factorization.

234222487138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991028.

The product of its digits is 1032192, while the sum is 46.

The spelling of 234222487138 in words is "two hundred thirty-four billion, two hundred twenty-two million, four hundred eighty-seven thousand, one hundred thirty-eight".