4445422245242 has 48 divisors (see below), whose sum is σ = 7612156343232. Its totient is φ = 1930809048960.

The previous prime is 4445422245241. The next prime is 4445422245287. The reversal of 4445422245242 is 2425422245444.

It is a junction number, because it is equal to n+sod(n) for n = 4445422245193 and 4445422245202.

It is not an unprimeable number, because it can be changed into a prime (4445422245241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11174843 + ... + 11565809.

It is an arithmetic number, because the mean of its divisors is an integer number (158586590484).

Almost surely, 2^{4445422245242} is an apocalyptic number.

4445422245242 is a deficient number, since it is larger than the sum of its proper divisors (3166734097990).

4445422245242 is a wasteful number, since it uses less digits than its factorization.

4445422245242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392003 (or 391980 counting only the distinct ones).

The product of its digits is 3276800, while the sum is 44.

The spelling of 4445422245242 in words is "four trillion, four hundred forty-five billion, four hundred twenty-two million, two hundred forty-five thousand, two hundred forty-two".