354220542 has 48 divisors (see below), whose sum is σ = 840556080. Its totient is φ = 107139456.

The previous prime is 354220523. The next prime is 354220547. The reversal of 354220542 is 245022453.

It is a happy number.

It is a super-3 number, since 3×354220542³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354220547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978 + ... + 26634.

It is an arithmetic number, because the mean of its divisors is an integer number (17511585).

Almost surely, 2^354220542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354220542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420278040).

354220542 is an abundant number, since it is smaller than the sum of its proper divisors (486335538).

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

354220542 is a wasteful number, since it uses less digits than its factorization.

354220542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25737 (or 25734 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 354220542 is about 18820.7476472110. The cubic root of 354220542 is about 707.5512693267.

Adding to 354220542 its reverse (245022453), we get a palindrome (599242995).

The spelling of 354220542 in words is "three hundred fifty-four million, two hundred twenty thousand, five hundred forty-two".