354522 has 32 divisors (see below), whose sum is σ = 847872. Its totient is φ = 96624.

The previous prime is 354479. The next prime is 354533. The reversal of 354522 is 225453.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

354522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (26496).

2³⁵⁴⁵²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423936).

354522 is an abundant number, since it is smaller than the sum of its proper divisors (493350).

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

354522 is a wasteful number, since it uses less digits than its factorization.

354522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its digits is 1200, while the sum is 21.

The square root of 354522 is about 595.4175005826. The cubic root of 354522 is about 70.7751931989.

Adding to 354522 its reverse (225453), we get a palindrome (579975).

The spelling of 354522 in words is "three hundred fifty-four thousand, five hundred twenty-two".