22324140020442 has 64 divisors (see below), whose sum is σ = 50614364142720. Its totient is φ = 6507322147584.

The previous prime is 22324140020417. The next prime is 22324140020449. The reversal of 22324140020442 is 24402004142322.

It is a happy number.

It is a super-3 number, since 3×22324140020442³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22324140020449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110416188 + ... + 110618184.

It is an arithmetic number, because the mean of its divisors is an integer number (790849439730).

Almost surely, 2^{22324140020442} is an apocalyptic number.

22324140020442 is an abundant number, since it is smaller than the sum of its proper divisors (28290224122278).

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

22324140020442 is a wasteful number, since it uses less digits than its factorization.

22324140020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276607.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22324140020442 its reverse (24402004142322), we get a palindrome (46726144162764).

The spelling of 22324140020442 in words is "twenty-two trillion, three hundred twenty-four billion, one hundred forty million, twenty thousand, four hundred forty-two".