422403044021 has 8 divisors (see below), whose sum is σ = 508154038080. Its totient is φ = 343003975488.

The previous prime is 422403044017. The next prime is 422403044053. The reversal of 422403044021 is 120440304224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422403044021 - 2² = 422403044017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422403044081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587981236 + ... + 1587981501.

It is an arithmetic number, because the mean of its divisors is an integer number (63519254760).

Almost surely, 2^422403044021 is an apocalyptic number.

It is an amenable number.

422403044021 is a deficient number, since it is larger than the sum of its proper divisors (85750994059).

422403044021 is a wasteful number, since it uses less digits than its factorization.

422403044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175962763.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 422403044021 its reverse (120440304224), we get a palindrome (542843348245).

The spelling of 422403044021 in words is "four hundred twenty-two billion, four hundred three million, forty-four thousand, twenty-one".