422044401 has 4 divisors (see below), whose sum is σ = 562725872. Its totient is φ = 281362932.

The previous prime is 422044391. The next prime is 422044423. The reversal of 422044401 is 104440224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422044401 - 2¹¹ = 422042353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422244401) 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, 70340731 + ... + 70340736.

It is an arithmetic number, because the mean of its divisors is an integer number (140681468).

Almost surely, 2^422044401 is an apocalyptic number.

It is an amenable number.

422044401 is a deficient number, since it is larger than the sum of its proper divisors (140681471).

422044401 is a wasteful number, since it uses less digits than its factorization.

422044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140681470.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 422044401 is about 20543.7192591799. The cubic root of 422044401 is about 750.1003723444.

Adding to 422044401 its reverse (104440224), we get a palindrome (526484625).

The spelling of 422044401 in words is "four hundred twenty-two million, forty-four thousand, four hundred one".