228092420 has 96 divisors (see below), whose sum is σ = 519300096. Its totient is φ = 83980800.

The previous prime is 228092411. The next prime is 228092429. The reversal of 228092420 is 24290822.

It is an interprime number because it is at equal distance from previous prime (228092411) and next prime (228092429).

It is a super-2 number, since 2×228092420² = 104052304122912800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228092429) 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 31 ways as a sum of consecutive naturals, for example, 1399259 + ... + 1399421.

It is an arithmetic number, because the mean of its divisors is an integer number (5409376).

Almost surely, 2^228092420 is an apocalyptic number.

228092420 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 228092420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259650048).

228092420 is an abundant number, since it is smaller than the sum of its proper divisors (291207676).

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

228092420 is a wasteful number, since it uses less digits than its factorization.

228092420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 228092420 is about 15102.7288924883. The cubic root of 228092420 is about 610.9940077790.

The spelling of 228092420 in words is "two hundred twenty-eight million, ninety-two thousand, four hundred twenty".