228013404 has 24 divisors (see below), whose sum is σ = 534710400. Its totient is φ = 75621744.

The previous prime is 228013343. The next prime is 228013411. The reversal of 228013404 is 404310822.

It is a super-2 number, since 2×228013404² = 103980224807334432, 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, 45354 + ... + 50129.

It is an arithmetic number, because the mean of its divisors is an integer number (22279600).

Almost surely, 2^228013404 is an apocalyptic number.

It is an amenable number.

228013404 is an abundant number, since it is smaller than the sum of its proper divisors (306696996).

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

228013404 is a wasteful number, since it uses less digits than its factorization.

228013404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95689 (or 95687 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 228013404 is about 15100.1127148111. The cubic root of 228013404 is about 610.9234459157.

The spelling of 228013404 in words is "two hundred twenty-eight million, thirteen thousand, four hundred four".