422144522 has 8 divisors (see below), whose sum is σ = 643597572. Its totient is φ = 207612000.

The previous prime is 422144521. The next prime is 422144531. The reversal of 422144522 is 225441224.

It can be written as a sum of positive squares in 2 ways, for example, as 417344041 + 4800481 = 20429^2 + 2191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 422144491 and 422144500.

It is not an unprimeable number, because it can be changed into a prime (422144521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1729979 + ... + 1730222.

Almost surely, 2^422144522 is an apocalyptic number.

422144522 is a deficient number, since it is larger than the sum of its proper divisors (221453050).

422144522 is a wasteful number, since it uses less digits than its factorization.

422144522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460264.

The product of its digits is 5120, while the sum is 26.

The square root of 422144522 is about 20546.1558934999. The cubic root of 422144522 is about 750.1596827402.

Adding to 422144522 its reverse (225441224), we get a palindrome (647585746).

The spelling of 422144522 in words is "four hundred twenty-two million, one hundred forty-four thousand, five hundred twenty-two".