7227228557427 has 4 divisors (see below), whose sum is σ = 9636304743240. Its totient is φ = 4818152371616.

The previous prime is 7227228557399. The next prime is 7227228557431. The reversal of 7227228557427 is 7247558227227.

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 7227228557427 - 2¹⁹ = 7227228033139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7227228557827) 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, 1204538092902 + ... + 1204538092907.

It is an arithmetic number, because the mean of its divisors is an integer number (2409076185810).

Almost surely, 2^{7227228557427} is an apocalyptic number.

7227228557427 is a deficient number, since it is larger than the sum of its proper divisors (2409076185813).

7227228557427 is a wasteful number, since it uses less digits than its factorization.

7227228557427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409076185812.

The product of its digits is 61465600, while the sum is 60.

The spelling of 7227228557427 in words is "seven trillion, two hundred twenty-seven billion, two hundred twenty-eight million, five hundred fifty-seven thousand, four hundred twenty-seven".