228710858945 has 16 divisors (see below), whose sum is σ = 278832488400. Its totient is φ = 180060217344.

The previous prime is 228710858921. The next prime is 228710859023. The reversal of 228710858945 is 549858017822.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7704626176 + 221006232769 = 87776^2 + 470113^2 .

It is a cyclic number.

It is not a de Polignac number, because 228710858945 - 2⁸ = 228710858689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533894 + ... + 861663.

It is an arithmetic number, because the mean of its divisors is an integer number (17427030525).

Almost surely, 2^228710858945 is an apocalyptic number.

It is an amenable number.

228710858945 is a deficient number, since it is larger than the sum of its proper divisors (50121629455).

228710858945 is a wasteful number, since it uses less digits than its factorization.

228710858945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396084.

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 228710858945 in words is "two hundred twenty-eight billion, seven hundred ten million, eight hundred fifty-eight thousand, nine hundred forty-five".