393344122 has 4 divisors (see below), whose sum is σ = 590016186. Its totient is φ = 196672060.

The previous prime is 393344093. The next prime is 393344123. The reversal of 393344122 is 221443393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221443393 = 1439 ⋅153887.

It can be written as a sum of positive squares in only one way, i.e., 282273601 + 111070521 = 16801^2 + 10539^2 .

It is not an unprimeable number, because it can be changed into a prime (393344123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98336029 + ... + 98336032.

Almost surely, 2^393344122 is an apocalyptic number.

393344122 is a deficient number, since it is larger than the sum of its proper divisors (196672064).

393344122 is a wasteful number, since it uses less digits than its factorization.

393344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196672063.

The product of its digits is 15552, while the sum is 31.

The square root of 393344122 is about 19832.9050317900. The cubic root of 393344122 is about 732.6966764060.

The spelling of 393344122 in words is "three hundred ninety-three million, three hundred forty-four thousand, one hundred twenty-two".