242213145225342 has 64 divisors (see below), whose sum is σ = 511302306528000. Its totient is φ = 76281404548608.

The previous prime is 242213145225301. The next prime is 242213145225347. The reversal of 242213145225342 is 243522541312242.

It is a super-2 number, since 2×242213145225342² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242213145225294 and 242213145225303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242213145225347) 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, 668345284 + ... + 668707592.

It is an arithmetic number, because the mean of its divisors is an integer number (7989098539500).

Almost surely, 2^{242213145225342} is an apocalyptic number.

242213145225342 is an abundant number, since it is smaller than the sum of its proper divisors (269089161302658).

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

242213145225342 is a wasteful number, since it uses less digits than its factorization.

242213145225342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378185.

The product of its digits is 921600, while the sum is 42.

Adding to 242213145225342 its reverse (243522541312242), we get a palindrome (485735686537584).

The spelling of 242213145225342 in words is "two hundred forty-two trillion, two hundred thirteen billion, one hundred forty-five million, two hundred twenty-five thousand, three hundred forty-two".