5228220434977 has 4 divisors (see below), whose sum is σ = 5228534779780. Its totient is φ = 5227906090176.

The previous prime is 5228220434971. The next prime is 5228220435013. The reversal of 5228220434977 is 7794340228225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3401224866081 + 1826995568896 = 1844241^2 + 1351664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5228220434977 is a prime.

It is a super-2 number, since 2×5228220434977² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5228220434971) 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, 157147452 + ... + 157180717.

It is an arithmetic number, because the mean of its divisors is an integer number (1307133694945).

Almost surely, 2^{5228220434977} is an apocalyptic number.

It is an amenable number.

5228220434977 is a deficient number, since it is larger than the sum of its proper divisors (314344803).

5228220434977 is a wasteful number, since it uses less digits than its factorization.

5228220434977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314344802.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 5228220434977 in words is "five trillion, two hundred twenty-eight billion, two hundred twenty million, four hundred thirty-four thousand, nine hundred seventy-seven".