420224341 has 4 divisors (see below), whose sum is σ = 421272684. Its totient is φ = 419176000.

The previous prime is 420224323. The next prime is 420224351. The reversal of 420224341 is 143422024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 329422500 + 90801841 = 18150^2 + 9529^2 .

It is a cyclic number.

It is not a de Polignac number, because 420224341 - 2⁷ = 420224213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420224351) 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, 523570 + ... + 524371.

It is an arithmetic number, because the mean of its divisors is an integer number (105318171).

Almost surely, 2^420224341 is an apocalyptic number.

It is an amenable number.

420224341 is a deficient number, since it is larger than the sum of its proper divisors (1048343).

420224341 is a wasteful number, since it uses less digits than its factorization.

420224341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048342.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 420224341 is about 20499.3741611787. The cubic root of 420224341 is about 749.0205531724.

Adding to 420224341 its reverse (143422024), we get a palindrome (563646365).

The spelling of 420224341 in words is "four hundred twenty million, two hundred twenty-four thousand, three hundred forty-one".