4422072272445 has 40 divisors (see below), whose sum is σ = 7964542750560. Its totient is φ = 2347261066080.

The previous prime is 4422072272411. The next prime is 4422072272467. The reversal of 4422072272445 is 5442722702244.

It is not a de Polignac number, because 4422072272445 - 2⁶ = 4422072272381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4422072272445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25788235 + ... + 25959144.

It is an arithmetic number, because the mean of its divisors is an integer number (199113568764).

Almost surely, 2^{4422072272445} is an apocalyptic number.

4422072272445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4422072272445 is a deficient number, since it is larger than the sum of its proper divisors (3542470478115).

4422072272445 is a wasteful number, since it uses less digits than its factorization.

4422072272445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51747607 (or 51747598 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 45.

Adding to 4422072272445 its reverse (5442722702244), we get a palindrome (9864794974689).

The spelling of 4422072272445 in words is "four trillion, four hundred twenty-two billion, seventy-two million, two hundred seventy-two thousand, four hundred forty-five".