228279064 has 16 divisors (see below), whose sum is σ = 460948320. Its totient is φ = 105359520.

The previous prime is 228279059. The next prime is 228279101. The reversal of 228279064 is 460972822.

It is a super-2 number, since 2×228279064² = 104222662121432192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097392 + ... + 1097599.

It is an arithmetic number, because the mean of its divisors is an integer number (28809270).

Almost surely, 2^228279064 is an apocalyptic number.

It is an amenable number.

228279064 is an abundant number, since it is smaller than the sum of its proper divisors (232669256).

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

228279064 is a wasteful number, since it uses less digits than its factorization.

228279064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195010 (or 2195006 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 228279064 is about 15108.9067771298. The cubic root of 228279064 is about 611.1606175455.

The spelling of 228279064 in words is "two hundred twenty-eight million, two hundred seventy-nine thousand, sixty-four".