22440606420242 has 4 divisors (see below), whose sum is σ = 33660909630366. Its totient is φ = 11220303210120.

The previous prime is 22440606420157. The next prime is 22440606420293. The reversal of 22440606420242 is 24202460604422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17060113291321 + 5380493128921 = 4130389^2 + 2319589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22440606420196 and 22440606420205.

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 as a sum of consecutive naturals, namely, 5610151605059 + ... + 5610151605062.

Almost surely, 2^{22440606420242} is an apocalyptic number.

22440606420242 is a deficient number, since it is larger than the sum of its proper divisors (11220303210124).

22440606420242 is a wasteful number, since it uses less digits than its factorization.

22440606420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220303210123.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 22440606420242 in words is "twenty-two trillion, four hundred forty billion, six hundred six million, four hundred twenty thousand, two hundred forty-two".