228863748501 has 6 divisors (see below), whose sum is σ = 330580970070. Its totient is φ = 152575832328.

The previous prime is 228863748371. The next prime is 228863748541. The reversal of 228863748501 is 105847368822.

228863748501 is a `hidden beast` number, since 2 + 2 + 8 + 8 + 63 + 74 + 8 + 501 = 666.

It can be written as a sum of positive squares in only one way, i.e., 202116781476 + 26746967025 = 449574^2 + 163545^2 .

It is not a de Polignac number, because 228863748501 - 2⁹ = 228863747989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228863748541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12714652686 + ... + 12714652703.

It is an arithmetic number, because the mean of its divisors is an integer number (55096828345).

Almost surely, 2^228863748501 is an apocalyptic number.

It is an amenable number.

228863748501 is a deficient number, since it is larger than the sum of its proper divisors (101717221569).

228863748501 is a wasteful number, since it uses less digits than its factorization.

228863748501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25429305395 (or 25429305392 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 228863748501 in words is "two hundred twenty-eight billion, eight hundred sixty-three million, seven hundred forty-eight thousand, five hundred one".