422225444 has 12 divisors (see below), whose sum is σ = 771020544. Its totient is φ = 201933864.

The previous prime is 422225443. The next prime is 422225449. The reversal of 422225444 is 444522224.

It is not an unprimeable number, because it can be changed into a prime (422225443) 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, 2294612 + ... + 2294795.

It is an arithmetic number, because the mean of its divisors is an integer number (64251712).

Almost surely, 2^422225444 is an apocalyptic number.

It is an amenable number.

422225444 is a deficient number, since it is larger than the sum of its proper divisors (348795100).

422225444 is a wasteful number, since it uses less digits than its factorization.

422225444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589434 (or 4589432 counting only the distinct ones).

The product of its digits is 20480, while the sum is 29.

The square root of 422225444 is about 20548.1250726192. The cubic root of 422225444 is about 750.2076130423.

Adding to 422225444 its reverse (444522224), we get a palindrome (866747668).

The spelling of 422225444 in words is "four hundred twenty-two million, two hundred twenty-five thousand, four hundred forty-four".