353505222 has 112 divisors (see below), whose sum is σ = 956943360. Its totient is φ = 95633136.

The previous prime is 353505221. The next prime is 353505233. The reversal of 353505222 is 222505353.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353505221) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 193003 + ... + 194825.

Almost surely, 2^353505222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 353505222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478471680).

353505222 is an abundant number, since it is smaller than the sum of its proper divisors (603438138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353505222 is a wasteful number, since it uses less digits than its factorization.

353505222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 353505222 is about 18801.7345476421. The cubic root of 353505222 is about 707.0746673326.

The spelling of 353505222 in words is "three hundred fifty-three million, five hundred five thousand, two hundred twenty-two".