228698560 has 56 divisors (see below), whose sum is σ = 548310816. Its totient is φ = 90854400.

The previous prime is 228698543. The next prime is 228698579. The reversal of 228698560 is 65896822.

It is a self number, because there is not a number n which added to its sum of digits gives 228698560.

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, 45954 + ... + 50686.

Almost surely, 2^228698560 is an apocalyptic number.

228698560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228698560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274155408).

228698560 is an abundant number, since it is smaller than the sum of its proper divisors (319612256).

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

228698560 is a wasteful number, since it uses less digits than its factorization.

228698560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901 (or 4891 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 228698560 is about 15122.7828126969. The cubic root of 228698560 is about 611.5347539866.

The spelling of 228698560 in words is "two hundred twenty-eight million, six hundred ninety-eight thousand, five hundred sixty".