228335072030778 has 16 divisors (see below), whose sum is σ = 469012580388000. Its totient is φ = 74054617955856.

The previous prime is 228335072030759. The next prime is 228335072030827. The reversal of 228335072030778 is 877030270533822.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514268180028 + ... + 514268180471.

It is an arithmetic number, because the mean of its divisors is an integer number (29313286274250).

Almost surely, 2^{228335072030778} is an apocalyptic number.

228335072030778 is an abundant number, since it is smaller than the sum of its proper divisors (240677508357222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228335072030778 is a wasteful number, since it uses less digits than its factorization.

228335072030778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028536360541.

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 228335072030778 in words is "two hundred twenty-eight trillion, three hundred thirty-five billion, seventy-two million, thirty thousand, seven hundred seventy-eight".