4028225615 has 4 divisors (see below), whose sum is σ = 4833870744. Its totient is φ = 3222580488.

The previous prime is 4028225611. The next prime is 4028225623. The reversal of 4028225615 is 5165228204.

4028225615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4028225615 - 2² = 4028225611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028225611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402822557 + ... + 402822566.

It is an arithmetic number, because the mean of its divisors is an integer number (1208467686).

Almost surely, 2^4028225615 is an apocalyptic number.

4028225615 is a deficient number, since it is larger than the sum of its proper divisors (805645129).

4028225615 is an equidigital number, since it uses as much as digits as its factorization.

4028225615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805645128.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 4028225615 is about 63468.3040186202. The cubic root of 4028225615 is about 1591.1260847926.

The spelling of 4028225615 in words is "four billion, twenty-eight million, two hundred twenty-five thousand, six hundred fifteen".