22142404420340 has 48 divisors (see below), whose sum is σ = 46545641189712. Its totient is φ = 8848088595456.

The previous prime is 22142404420333. The next prime is 22142404420393. The reversal of 22142404420340 is 4302440424122.

It can be written as a sum of positive squares in 8 ways, for example, as 4461338147344 + 17681066272996 = 2112188^2 + 4204886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22142404420297 and 22142404420306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282833282 + ... + 282911558.

It is an arithmetic number, because the mean of its divisors is an integer number (969700858119).

Almost surely, 2^{22142404420340} is an apocalyptic number.

22142404420340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142404420340 is an abundant number, since it is smaller than the sum of its proper divisors (24403236769372).

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

22142404420340 is a wasteful number, since it uses less digits than its factorization.

22142404420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92276 (or 92274 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22142404420340 its reverse (4302440424122), we get a palindrome (26444844844462).

The spelling of 22142404420340 in words is "twenty-two trillion, one hundred forty-two billion, four hundred four million, four hundred twenty thousand, three hundred forty".