353840422 has 8 divisors (see below), whose sum is σ = 571588416. Its totient is φ = 163310952.

The previous prime is 353840381. The next prime is 353840423. The reversal of 353840422 is 224048353.

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

It is a super-2 number, since 2×353840422² = 250406088482276168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353840423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804598 + ... + 6804649.

It is an arithmetic number, because the mean of its divisors is an integer number (71448552).

Almost surely, 2^353840422 is an apocalyptic number.

353840422 is a deficient number, since it is larger than the sum of its proper divisors (217747994).

353840422 is a wasteful number, since it uses less digits than its factorization.

353840422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13609262.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 353840422 is about 18810.6465066993. The cubic root of 353840422 is about 707.2980836976.

Adding to 353840422 its reverse (224048353), we get a palindrome (577888775).

The spelling of 353840422 in words is "three hundred fifty-three million, eight hundred forty thousand, four hundred twenty-two".