22424220004242 has 64 divisors (see below), whose sum is σ = 51342616131840. Its totient is φ = 6396014693376.

The previous prime is 22424220004223. The next prime is 22424220004259. The reversal of 22424220004242 is 24240002242422.

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 31 ways as a sum of consecutive naturals, for example, 409854384 + ... + 409909092.

It is an arithmetic number, because the mean of its divisors is an integer number (802228377060).

Almost surely, 2^{22424220004242} is an apocalyptic number.

22424220004242 is an abundant number, since it is smaller than the sum of its proper divisors (28918396127598).

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

22424220004242 is a wasteful number, since it uses less digits than its factorization.

22424220004242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71155.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22424220004242 its reverse (24240002242422), we get a palindrome (46664222246664).

The spelling of 22424220004242 in words is "twenty-two trillion, four hundred twenty-four billion, two hundred twenty million, four thousand, two hundred forty-two".