228342056064 has 64 divisors (see below), whose sum is σ = 607769390880. Its totient is φ = 75958937600.

The previous prime is 228342056009. The next prime is 228342056071. The reversal of 228342056064 is 460650243822.

It is a tau number, because it is divible by the number of its divisors (64).

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, 416997 + ... + 794084.

Almost surely, 2^228342056064 is an apocalyptic number.

228342056064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228342056064 is an abundant number, since it is smaller than the sum of its proper divisors (379427334816).

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

228342056064 is a wasteful number, since it uses less digits than its factorization.

228342056064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211589 (or 1211577 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 228342056064 its reverse (460650243822), we get a palindrome (688992299886).

The spelling of 228342056064 in words is "two hundred twenty-eight billion, three hundred forty-two million, fifty-six thousand, sixty-four".