422520343 has 32 divisors (see below), whose sum is σ = 513360000. Its totient is φ = 340139520.

The previous prime is 422520323. The next prime is 422520349. The reversal of 422520343 is 343025224.

It is not a de Polignac number, because 422520343 - 2⁹ = 422519831 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 (422520349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844953 + ... + 1845181.

It is an arithmetic number, because the mean of its divisors is an integer number (16042500).

Almost surely, 2^422520343 is an apocalyptic number.

422520343 is a deficient number, since it is larger than the sum of its proper divisors (90839657).

422520343 is a wasteful number, since it uses less digits than its factorization.

422520343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

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

The square root of 422520343 is about 20555.2996329414. The cubic root of 422520343 is about 750.3822306480.

Adding to 422520343 its reverse (343025224), we get a palindrome (765545567).

The spelling of 422520343 in words is "four hundred twenty-two million, five hundred twenty thousand, three hundred forty-three".