354454221522 has 16 divisors (see below), whose sum is σ = 712087407360. Its totient is φ = 117621579792.

The previous prime is 354454221439. The next prime is 354454221529. The reversal of 354454221522 is 225122454453.

It is not an unprimeable number, because it can be changed into a prime (354454221529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132455397 + ... + 132458072.

It is an arithmetic number, because the mean of its divisors is an integer number (44505462960).

Almost surely, 2^354454221522 is an apocalyptic number.

354454221522 is an abundant number, since it is smaller than the sum of its proper divisors (357633185838).

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

354454221522 is a wasteful number, since it uses less digits than its factorization.

354454221522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264913697.

The product of its digits is 384000, while the sum is 39.

Adding to 354454221522 its reverse (225122454453), we get a palindrome (579576675975).

The spelling of 354454221522 in words is "three hundred fifty-four billion, four hundred fifty-four million, two hundred twenty-one thousand, five hundred twenty-two".