338988722 has 18 divisors (see below), whose sum is σ = 521414397. Its totient is φ = 165289224.

The previous prime is 338988701. The next prime is 338988731. The reversal of 338988722 is 227889833.

It can be written as a sum of positive squares in 2 ways, for example, as 297528001 + 41460721 = 17249^2 + 6439^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13019.

It is a super-2 number, since 2×338988722² = 229826707286386568, which contains 22 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, 1223648 + ... + 1223924.

Almost surely, 2^338988722 is an apocalyptic number.

338988722 is a deficient number, since it is larger than the sum of its proper divisors (182425675).

338988722 is an frugal number, since it uses more digits than its factorization.

338988722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 326 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 338988722 is about 18411.6463685353. The cubic root of 338988722 is about 697.2605324666.

Multiplying 338988722 by its sum of digits (50), we get a square (16949436100 = 130190²).

The spelling of 338988722 in words is "three hundred thirty-eight million, nine hundred eighty-eight thousand, seven hundred twenty-two".