422121344 has 16 divisors (see below), whose sum is σ = 840945120. Its totient is φ = 211060608.

The previous prime is 422121307. The next prime is 422121353. The reversal of 422121344 is 443121224.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1648784 + ... + 1649039.

It is an arithmetic number, because the mean of its divisors is an integer number (52559070).

Almost surely, 2^422121344 is an apocalyptic number.

It is an amenable number.

422121344 is a deficient number, since it is larger than the sum of its proper divisors (418823776).

422121344 is an equidigital number, since it uses as much as digits as its factorization.

422121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297837 (or 3297825 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 422121344 is about 20545.5918386402. The cubic root of 422121344 is about 750.1459532247.

Adding to 422121344 its reverse (443121224), we get a palindrome (865242568).

The spelling of 422121344 in words is "four hundred twenty-two million, one hundred twenty-one thousand, three hundred forty-four".