7228643015 has 16 divisors (see below), whose sum is σ = 10019596320. Its totient is φ = 4947947520.

The previous prime is 7228642999. The next prime is 7228643017. The reversal of 7228643015 is 5103468227.

It is a happy number.

It is not a de Polignac number, because 7228643015 - 2⁴ = 7228642999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7228643015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228643017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3864650 + ... + 3866519.

It is an arithmetic number, because the mean of its divisors is an integer number (626224770).

Almost surely, 2^7228643015 is an apocalyptic number.

7228643015 is a deficient number, since it is larger than the sum of its proper divisors (2790953305).

7228643015 is a wasteful number, since it uses less digits than its factorization.

7228643015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731202.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 7228643015 is about 85021.4267993663. The cubic root of 7228643015 is about 1933.5359855118.

The spelling of 7228643015 in words is "seven billion, two hundred twenty-eight million, six hundred forty-three thousand, fifteen".