2231336238 has 32 divisors (see below), whose sum is σ = 4516853760. Its totient is φ = 734781600.

The previous prime is 2231336213. The next prime is 2231336251. The reversal of 2231336238 is 8326331322.

It is a super-3 number, since 3×2231336238³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2231336199 and 2231336208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286431 + ... + 294117.

It is an arithmetic number, because the mean of its divisors is an integer number (141151680).

Almost surely, 2^2231336238 is an apocalyptic number.

2231336238 is an abundant number, since it is smaller than the sum of its proper divisors (2285517522).

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

2231336238 is a wasteful number, since it uses less digits than its factorization.

2231336238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272.

The product of its digits is 31104, while the sum is 33.

The square root of 2231336238 is about 47237.0219002003. The cubic root of 2231336238 is about 1306.7374552821.

The spelling of 2231336238 in words is "two billion, two hundred thirty-one million, three hundred thirty-six thousand, two hundred thirty-eight".