422247542 has 16 divisors (see below), whose sum is σ = 645857280. Its totient is φ = 206981352.

The previous prime is 422247541. The next prime is 422247571. The reversal of 422247542 is 245742224.

It is a junction number, because it is equal to n+sod(n) for n = 422247499 and 422247508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422247541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40523 + ... + 49865.

It is an arithmetic number, because the mean of its divisors is an integer number (40366080).

Almost surely, 2^422247542 is an apocalyptic number.

422247542 is a deficient number, since it is larger than the sum of its proper divisors (223609738).

422247542 is a wasteful number, since it uses less digits than its factorization.

422247542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787.

The product of its digits is 35840, while the sum is 32.

The square root of 422247542 is about 20548.6627788769. The cubic root of 422247542 is about 750.2207006782.

Adding to 422247542 its reverse (245742224), we get a palindrome (667989766).

The spelling of 422247542 in words is "four hundred twenty-two million, two hundred forty-seven thousand, five hundred forty-two".