355640422 has 16 divisors (see below), whose sum is σ = 544484160. Its totient is φ = 174175848.

The previous prime is 355640419. The next prime is 355640443. The reversal of 355640422 is 224046553.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 16573 + ... + 31399.

It is an arithmetic number, because the mean of its divisors is an integer number (34030260).

Almost surely, 2^355640422 is an apocalyptic number.

355640422 is a deficient number, since it is larger than the sum of its proper divisors (188843738).

355640422 is a wasteful number, since it uses less digits than its factorization.

355640422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15075.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 355640422 is about 18858.4310588129. The cubic root of 355640422 is about 708.4954066718.

Adding to 355640422 its reverse (224046553), we get a palindrome (579686975).

The spelling of 355640422 in words is "three hundred fifty-five million, six hundred forty thousand, four hundred twenty-two".