422043231653 has 4 divisors (see below), whose sum is σ = 422046941100. Its totient is φ = 422039522208.

The previous prime is 422043231641. The next prime is 422043231677. The reversal of 422043231653 is 356132340224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220879320484 + 201163911169 = 469978^2 + 448513^2 .

It is a cyclic number.

It is not a de Polignac number, because 422043231653 - 2³² = 417748264357 is a prime.

It is a super-3 number, since 3×422043231653³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422043231553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678478 + ... + 1913471.

It is an arithmetic number, because the mean of its divisors is an integer number (105511735275).

Almost surely, 2^422043231653 is an apocalyptic number.

It is an amenable number.

422043231653 is a deficient number, since it is larger than the sum of its proper divisors (3709447).

422043231653 is a wasteful number, since it uses less digits than its factorization.

422043231653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709446.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 422043231653 its reverse (356132340224), we get a palindrome (778175571877).

The spelling of 422043231653 in words is "four hundred twenty-two billion, forty-three million, two hundred thirty-one thousand, six hundred fifty-three".