228544222445830 has 16 divisors (see below), whose sum is σ = 411818639480640. Its totient is φ = 91320124738752.

The previous prime is 228544222445789. The next prime is 228544222445831. The reversal of 228544222445830 is 38544222445822.

It is a super-2 number, since 2×228544222445830² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228544222445831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195520110 + ... + 12195538849.

It is an arithmetic number, because the mean of its divisors is an integer number (25738664967540).

Almost surely, 2^{228544222445830} is an apocalyptic number.

228544222445830 is a deficient number, since it is larger than the sum of its proper divisors (183274417034810).

228544222445830 is a wasteful number, since it uses less digits than its factorization.

228544222445830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24391059903.

The product of its (nonzero) digits is 39321600, while the sum is 55.

The spelling of 228544222445830 in words is "two hundred twenty-eight trillion, five hundred forty-four billion, two hundred twenty-two million, four hundred forty-five thousand, eight hundred thirty".