228614421 has 8 divisors (see below), whose sum is σ = 348364864. Its totient is φ = 130636800.

The previous prime is 228614417. The next prime is 228614447. The reversal of 228614421 is 124416822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228614421 - 2² = 228614417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228614461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5443180 + ... + 5443221.

It is an arithmetic number, because the mean of its divisors is an integer number (43545608).

Almost surely, 2^228614421 is an apocalyptic number.

228614421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

228614421 is a deficient number, since it is larger than the sum of its proper divisors (119750443).

228614421 is a wasteful number, since it uses less digits than its factorization.

228614421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886411.

The product of its digits is 6144, while the sum is 30.

The square root of 228614421 is about 15120.0006944444. Note that the first 3 decimals coincide. The cubic root of 228614421 is about 611.4597495295.

The spelling of 228614421 in words is "two hundred twenty-eight million, six hundred fourteen thousand, four hundred twenty-one".