228820200646 has 4 divisors (see below), whose sum is σ = 343230300972. Its totient is φ = 114410100322.

The previous prime is 228820200589. The next prime is 228820200673. The reversal of 228820200646 is 646002028822.

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

It is a junction number, because it is equal to n+sod(n) for n = 228820200599 and 228820200608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57205050160 + ... + 57205050163.

It is an arithmetic number, because the mean of its divisors is an integer number (85807575243).

Almost surely, 2^228820200646 is an apocalyptic number.

228820200646 is a deficient number, since it is larger than the sum of its proper divisors (114410100326).

228820200646 is a wasteful number, since it uses less digits than its factorization.

228820200646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114410100325.

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 228820200646 in words is "two hundred twenty-eight billion, eight hundred twenty million, two hundred thousand, six hundred forty-six".