422121331004 has 24 divisors (see below), whose sum is σ = 770853500928. Its totient is φ = 201878027120.

The previous prime is 422121331001. The next prime is 422121331007. The reversal of 422121331004 is 400133121224.

It is an interprime number because it is at equal distance from previous prime (422121331001) and next prime (422121331007).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422121331001) 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, 5030069 + ... + 5113299.

It is an arithmetic number, because the mean of its divisors is an integer number (32118895872).

Almost surely, 2^422121331004 is an apocalyptic number.

It is an amenable number.

422121331004 is a deficient number, since it is larger than the sum of its proper divisors (348732169924).

422121331004 is a wasteful number, since it uses less digits than its factorization.

422121331004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138385 (or 138383 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 422121331004 its reverse (400133121224), we get a palindrome (822254452228).

The spelling of 422121331004 in words is "four hundred twenty-two billion, one hundred twenty-one million, three hundred thirty-one thousand, four".