228498402 has 32 divisors (see below), whose sum is σ = 499405824. Its totient is φ = 69122000.

The previous prime is 228498359. The next prime is 228498437. The reversal of 228498402 is 204894822.

It is an unprimeable number.

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, 40027 + ... + 45377.

It is an arithmetic number, because the mean of its divisors is an integer number (15606432).

Almost surely, 2^228498402 is an apocalyptic number.

228498402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228498402 is an abundant number, since it is smaller than the sum of its proper divisors (270907422).

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

228498402 is a wasteful number, since it uses less digits than its factorization.

228498402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 228498402 is about 15116.1636005965. The cubic root of 228498402 is about 611.3562959324.

The spelling of 228498402 in words is "two hundred twenty-eight million, four hundred ninety-eight thousand, four hundred two".