4005225545 has 8 divisors (see below), whose sum is σ = 4855820424. Its totient is φ = 3171147264.

The previous prime is 4005225541. The next prime is 4005225563. The reversal of 4005225545 is 5455225004.

It can be written as a sum of positive squares in 4 ways, for example, as 329349904 + 3675875641 = 18148^2 + 60629^2 .

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 4005225545 - 2² = 4005225541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005225541) 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, 4128614 + ... + 4129583.

It is an arithmetic number, because the mean of its divisors is an integer number (606977553).

Almost surely, 2^4005225545 is an apocalyptic number.

It is an amenable number.

4005225545 is a deficient number, since it is larger than the sum of its proper divisors (850594879).

4005225545 is an equidigital number, since it uses as much as digits as its factorization.

4005225545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258299.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 4005225545 is about 63286.8512804990. The cubic root of 4005225545 is about 1588.0920041412.

The spelling of 4005225545 in words is "four billion, five million, two hundred twenty-five thousand, five hundred forty-five".