422144426 has 16 divisors (see below), whose sum is σ = 695187360. Its totient is φ = 190660080.

The previous prime is 422144419. The next prime is 422144447. The reversal of 422144426 is 624441224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57656 + ... + 64563.

It is an arithmetic number, because the mean of its divisors is an integer number (43449210).

Almost surely, 2^422144426 is an apocalyptic number.

422144426 is a deficient number, since it is larger than the sum of its proper divisors (273042934).

422144426 is a wasteful number, since it uses less digits than its factorization.

422144426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122389.

The product of its digits is 12288, while the sum is 29.

The square root of 422144426 is about 20546.1535572963. The cubic root of 422144426 is about 750.1596258755.

The spelling of 422144426 in words is "four hundred twenty-two million, one hundred forty-four thousand, four hundred twenty-six".