7227148879 has 4 divisors (see below), whose sum is σ = 7227343440. Its totient is φ = 7226954320.

The previous prime is 7227148867. The next prime is 7227148949. The reversal of 7227148879 is 9788417227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9788417227 = 2657 ⋅3684011.

It is a cyclic number.

It is not a de Polignac number, because 7227148879 - 2⁷ = 7227148751 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 (7227143879) 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, 22294 + ... + 122275.

It is an arithmetic number, because the mean of its divisors is an integer number (1806835860).

Almost surely, 2^7227148879 is an apocalyptic number.

7227148879 is a deficient number, since it is larger than the sum of its proper divisors (194561).

7227148879 is a wasteful number, since it uses less digits than its factorization.

7227148879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194560.

The product of its digits is 3161088, while the sum is 55.

The square root of 7227148879 is about 85012.6395249553. The cubic root of 7227148879 is about 1933.4027578881.

The spelling of 7227148879 in words is "seven billion, two hundred twenty-seven million, one hundred forty-eight thousand, eight hundred seventy-nine".