422444415 has 16 divisors (see below), whose sum is σ = 676412928. Its totient is φ = 225136416.

The previous prime is 422444411. The next prime is 422444417. The reversal of 422444415 is 514444224.

It is not a de Polignac number, because 422444415 - 2² = 422444411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422444411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11974 + ... + 31436.

It is an arithmetic number, because the mean of its divisors is an integer number (42275808).

Almost surely, 2^422444415 is an apocalyptic number.

422444415 is a deficient number, since it is larger than the sum of its proper divisors (253968513).

422444415 is a wasteful number, since it uses less digits than its factorization.

422444415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20918.

The product of its digits is 20480, while the sum is 30.

The square root of 422444415 is about 20553.4526296678. The cubic root of 422444415 is about 750.3372794118.

Adding to 422444415 its reverse (514444224), we get a palindrome (936888639).

The spelling of 422444415 in words is "four hundred twenty-two million, four hundred forty-four thousand, four hundred fifteen".