22342222340242 has 16 divisors (see below), whose sum is σ = 38309350182912. Its totient is φ = 9573138745920.

The previous prime is 22342222340149. The next prime is 22342222340257. The reversal of 22342222340242 is 24204322224322.

It is a super-2 number, since 2×22342222340242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22342222340198 and 22342222340207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174883858 + ... + 175011565.

It is an arithmetic number, because the mean of its divisors is an integer number (2394334386432).

Almost surely, 2^{22342222340242} is an apocalyptic number.

22342222340242 is a deficient number, since it is larger than the sum of its proper divisors (15967127842670).

22342222340242 is a wasteful number, since it uses less digits than its factorization.

22342222340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349899993.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 22342222340242 its reverse (24204322224322), we get a palindrome (46546544564564).

The spelling of 22342222340242 in words is "twenty-two trillion, three hundred forty-two billion, two hundred twenty-two million, three hundred forty thousand, two hundred forty-two".