22042133231540 has 24 divisors (see below), whose sum is σ = 46290651912960. Its totient is φ = 8816439554208.

The previous prime is 22042133231533. The next prime is 22042133231597. The reversal of 22042133231540 is 4513233124022.

It is a junction number, because it is equal to n+sod(n) for n = 22042133231497 and 22042133231506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25421612 + ... + 26274371.

It is an arithmetic number, because the mean of its divisors is an integer number (1928777163040).

Almost surely, 2^{22042133231540} is an apocalyptic number.

22042133231540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042133231540 is an abundant number, since it is smaller than the sum of its proper divisors (24248518681420).

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

22042133231540 is a wasteful number, since it uses less digits than its factorization.

22042133231540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51717311 (or 51717309 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 22042133231540 its reverse (4513233124022), we get a palindrome (26555366355562).

The spelling of 22042133231540 in words is "twenty-two trillion, forty-two billion, one hundred thirty-three million, two hundred thirty-one thousand, five hundred forty".