228880302 has 32 divisors (see below), whose sum is σ = 529466112. Its totient is φ = 64605504.

The previous prime is 228880297. The next prime is 228880303. The reversal of 228880302 is 203088822.

It is a super-2 number, since 2×228880302² = 104772385287222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228880303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29343 + ... + 36314.

It is an arithmetic number, because the mean of its divisors is an integer number (16545816).

Almost surely, 2^228880302 is an apocalyptic number.

228880302 is an abundant number, since it is smaller than the sum of its proper divisors (300585810).

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

228880302 is a wasteful number, since it uses less digits than its factorization.

228880302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65752.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 228880302 is about 15128.7905002350. The cubic root of 228880302 is about 611.6967024215.

The spelling of 228880302 in words is "two hundred twenty-eight million, eight hundred eighty thousand, three hundred two".