2400222312342 has 24 divisors (see below), whose sum is σ = 5233605770016. Its totient is φ = 794978089776.

The previous prime is 2400222312317. The next prime is 2400222312377. The reversal of 2400222312342 is 2432132220042.

2400222312342 is a `hidden beast` number, since 2 + 4 + 0 + 0 + 2 + 2 + 2 + 312 + 342 = 666.

It is a super-2 number, since 2×2400222312342² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424664958 + ... + 424670609.

It is an arithmetic number, because the mean of its divisors is an integer number (218066907084).

Almost surely, 2^{2400222312342} is an apocalyptic number.

2400222312342 is an abundant number, since it is smaller than the sum of its proper divisors (2833383457674).

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

2400222312342 is a wasteful number, since it uses less digits than its factorization.

2400222312342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849335732 (or 849335729 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2400222312342 its reverse (2432132220042), we get a palindrome (4832354532384).

The spelling of 2400222312342 in words is "two trillion, four hundred billion, two hundred twenty-two million, three hundred twelve thousand, three hundred forty-two".