22040423133342 has 32 divisors (see below), whose sum is σ = 44805261041664. Its totient is φ = 7226081474400.

The previous prime is 22040423133299. The next prime is 22040423133343. The reversal of 22040423133342 is 24333132404022.

It is a super-2 number, since 2×22040423133342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040423133343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8140263 + ... + 10504509.

It is an arithmetic number, because the mean of its divisors is an integer number (1400164407552).

Almost surely, 2^{22040423133342} is an apocalyptic number.

22040423133342 is an abundant number, since it is smaller than the sum of its proper divisors (22764837908322).

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

22040423133342 is a wasteful number, since it uses less digits than its factorization.

22040423133342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389784.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 22040423133342 its reverse (24333132404022), we get a palindrome (46373555537364).

The spelling of 22040423133342 in words is "twenty-two trillion, forty billion, four hundred twenty-three million, one hundred thirty-three thousand, three hundred forty-two".