354223420 has 12 divisors (see below), whose sum is σ = 743869224. Its totient is φ = 141689360.

The previous prime is 354223411. The next prime is 354223421. The reversal of 354223420 is 24322453.

It is a super-3 number, since 3×354223420³ (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 (354223421) 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 3 ways as a sum of consecutive naturals, for example, 8855566 + ... + 8855605.

It is an arithmetic number, because the mean of its divisors is an integer number (61989102).

Almost surely, 2^354223420 is an apocalyptic number.

It is an amenable number.

354223420 is an abundant number, since it is smaller than the sum of its proper divisors (389645804).

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

354223420 is a wasteful number, since it uses less digits than its factorization.

354223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711180 (or 17711178 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 354223420 is about 18820.8241052298. The cubic root of 354223420 is about 707.5531855783.

Adding to 354223420 its reverse (24322453), we get a palindrome (378545873).

It can be divided in two parts, 3542 and 23420, that multiplied together give a triangular number (82953640 = T₁₂₈₈₀).

The spelling of 354223420 in words is "three hundred fifty-four million, two hundred twenty-three thousand, four hundred twenty".