228311010 has 24 divisors (see below), whose sum is σ = 593608860. Its totient is φ = 60882912.

The previous prime is 228310993. The next prime is 228311021. The reversal of 228311010 is 10113822.

It can be written as a sum of positive squares in 2 ways, for example, as 219543489 + 8767521 = 14817^2 + 2961^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268305 + ... + 1268484.

Almost surely, 2^228311010 is an apocalyptic number.

228311010 is an abundant number, since it is smaller than the sum of its proper divisors (365297850).

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

228311010 is a wasteful number, since it uses less digits than its factorization.

228311010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536802 (or 2536799 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 228311010 is about 15109.9639311284. The cubic root of 228311010 is about 611.1891253816.

Adding to 228311010 its reverse (10113822), we get a palindrome (238424832).

The spelling of 228311010 in words is "two hundred twenty-eight million, three hundred eleven thousand, ten".