22122020042342 has 8 divisors (see below), whose sum is σ = 36199669160232. Its totient is φ = 10055463655600.

The previous prime is 22122020042333. The next prime is 22122020042347. The reversal of 22122020042342 is 24324002022122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22122020042342² (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 (22122020042347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502773182759 + ... + 502773182802.

It is an arithmetic number, because the mean of its divisors is an integer number (4524958645029).

Almost surely, 2^{22122020042342} is an apocalyptic number.

22122020042342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22122020042342 is a deficient number, since it is larger than the sum of its proper divisors (14077649117890).

22122020042342 is a wasteful number, since it uses less digits than its factorization.

22122020042342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005546365574.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22122020042342 its reverse (24324002022122), we get a palindrome (46446022064464).

The spelling of 22122020042342 in words is "twenty-two trillion, one hundred twenty-two billion, twenty million, forty-two thousand, three hundred forty-two".