238437937922 has 18 divisors (see below), whose sum is σ = 358921982043. Its totient is φ = 118798761984.

The previous prime is 238437937847. The next prime is 238437937939. The reversal of 238437937922 is 229739734832.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 119792824321 + 118645113601 = 346111^2 + 344449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=345281.

It is a super-3 number, since 3×238437937922³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 310061954 + ... + 310062722.

Almost surely, 2^238437937922 is an apocalyptic number.

238437937922 is a deficient number, since it is larger than the sum of its proper divisors (120484044121).

238437937922 is an frugal number, since it uses more digits than its factorization.

238437937922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438 (or 1220 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 59.

The spelling of 238437937922 in words is "two hundred thirty-eight billion, four hundred thirty-seven million, nine hundred thirty-seven thousand, nine hundred twenty-two".