228230420 has 24 divisors (see below), whose sum is σ = 522855648. Its totient is φ = 82992800.

The previous prime is 228230419. The next prime is 228230441. The reversal of 228230420 is 24032822.

It is a super-2 number, since 2×228230420² = 104178249226752800, 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, 518486 + ... + 518925.

It is an arithmetic number, because the mean of its divisors is an integer number (21785652).

Almost surely, 2^228230420 is an apocalyptic number.

228230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228230420 is an abundant number, since it is smaller than the sum of its proper divisors (294625228).

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

228230420 is a wasteful number, since it uses less digits than its factorization.

228230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037431 (or 1037429 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 228230420 is about 15107.2969124195. The cubic root of 228230420 is about 611.1172037103.

The spelling of 228230420 in words is "two hundred twenty-eight million, two hundred thirty thousand, four hundred twenty".