42220244242 has 32 divisors (see below), whose sum is σ = 73007023680. Its totient is φ = 18110177280.

The previous prime is 42220244207. The next prime is 42220244267. The reversal of 42220244242 is 24244202224.

It is a self number, because there is not a number n which added to its sum of digits gives 42220244242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89083 + ... + 303934.

It is an arithmetic number, because the mean of its divisors is an integer number (2281469490).

Almost surely, 2^42220244242 is an apocalyptic number.

42220244242 is a deficient number, since it is larger than the sum of its proper divisors (30786779438).

42220244242 is a wasteful number, since it uses less digits than its factorization.

42220244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393306.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42220244242 its reverse (24244202224), we get a palindrome (66464446466).

The spelling of 42220244242 in words is "forty-two billion, two hundred twenty million, two hundred forty-four thousand, two hundred forty-two".