422343445 has 16 divisors (see below), whose sum is σ = 512915328. Its totient is φ = 333823680.

The previous prime is 422343431. The next prime is 422343451. The reversal of 422343445 is 544343224.

It is not a de Polignac number, because 422343445 - 2⁵ = 422343413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259735 + ... + 261355.

It is an arithmetic number, because the mean of its divisors is an integer number (32057208).

Almost surely, 2^422343445 is an apocalyptic number.

It is an amenable number.

422343445 is a deficient number, since it is larger than the sum of its proper divisors (90571883).

422343445 is a wasteful number, since it uses less digits than its factorization.

422343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its digits is 46080, while the sum is 31.

The square root of 422343445 is about 20550.9962045639. The cubic root of 422343445 is about 750.2774943536.

Adding to 422343445 its reverse (544343224), we get a palindrome (966686669).

The spelling of 422343445 in words is "four hundred twenty-two million, three hundred forty-three thousand, four hundred forty-five".