4223005612445 has 8 divisors (see below), whose sum is σ = 5104596565944. Its totient is φ = 3353744602624.

The previous prime is 4223005612417. The next prime is 4223005612447. The reversal of 4223005612445 is 5442165003224.

It can be written as a sum of positive squares in 4 ways, for example, as 1444176624121 + 2778828988324 = 1201739^2 + 1666982^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4223005612445 - 2¹⁶ = 4223005546909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4223005612399 and 4223005612408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223005612447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3082485164 + ... + 3082486533.

It is an arithmetic number, because the mean of its divisors is an integer number (638074570743).

Almost surely, 2^{4223005612445} is an apocalyptic number.

It is an amenable number.

4223005612445 is a deficient number, since it is larger than the sum of its proper divisors (881590953499).

4223005612445 is a wasteful number, since it uses less digits than its factorization.

4223005612445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164971839.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 4223005612445 in words is "four trillion, two hundred twenty-three billion, five million, six hundred twelve thousand, four hundred forty-five".