22131215415242 has 8 divisors (see below), whose sum is σ = 33345687801216. Its totient is φ = 11015986148172.

The previous prime is 22131215415229. The next prime is 22131215415269. The reversal of 22131215415242 is 24251451213122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24810779168 + ... + 24810780059.

It is an arithmetic number, because the mean of its divisors is an integer number (4168210975152).

Almost surely, 2^{22131215415242} is an apocalyptic number.

22131215415242 is a deficient number, since it is larger than the sum of its proper divisors (11214472385974).

22131215415242 is a wasteful number, since it uses less digits than its factorization.

22131215415242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49621559452.

The product of its digits is 38400, while the sum is 35.

Adding to 22131215415242 its reverse (24251451213122), we get a palindrome (46382666628364).

The spelling of 22131215415242 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred fifteen million, four hundred fifteen thousand, two hundred forty-two".