22131035423004 has 48 divisors (see below), whose sum is σ = 53832630491136. Its totient is φ = 7068360072000.

The previous prime is 22131035422967. The next prime is 22131035423009. The reversal of 22131035423004 is 40032453013122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131035423009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294477432 + ... + 294552575.

It is an arithmetic number, because the mean of its divisors is an integer number (1121513135232).

Almost surely, 2^{22131035423004} is an apocalyptic number.

It is an amenable number.

22131035423004 is an abundant number, since it is smaller than the sum of its proper divisors (31701595068132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131035423004 is a wasteful number, since it uses less digits than its factorization.

22131035423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589030146 (or 589030144 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 22131035423004 its reverse (40032453013122), we get a palindrome (62163488436126).

The spelling of 22131035423004 in words is "twenty-two trillion, one hundred thirty-one billion, thirty-five million, four hundred twenty-three thousand, four".