228098904 has 32 divisors (see below), whose sum is σ = 622088640. Its totient is φ = 69120800.

The previous prime is 228098881. The next prime is 228098951. The reversal of 228098904 is 409890822.

It is a super-2 number, since 2×228098904² = 104058220012002432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431742 + ... + 432269.

It is an arithmetic number, because the mean of its divisors is an integer number (19440270).

Almost surely, 2^228098904 is an apocalyptic number.

228098904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228098904 is an abundant number, since it is smaller than the sum of its proper divisors (393989736).

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

228098904 is a wasteful number, since it uses less digits than its factorization.

228098904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864031 (or 864027 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 228098904 is about 15102.9435541553. The cubic root of 228098904 is about 610.9997973147. Note that the first 3 decimals are identical.

It can be divided in two parts, 22809 and 8904, that added together give a palindrome (31713).

The spelling of 228098904 in words is "two hundred twenty-eight million, ninety-eight thousand, nine hundred four".