228023862 has 64 divisors (see below), whose sum is σ = 509967360. Its totient is φ = 67392000.

The previous prime is 228023843. The next prime is 228023869. The reversal of 228023862 is 268320822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526398 + ... + 526830.

It is an arithmetic number, because the mean of its divisors is an integer number (7968240).

Almost surely, 2^228023862 is an apocalyptic number.

228023862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 228023862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254983680).

228023862 is an abundant number, since it is smaller than the sum of its proper divisors (281943498).

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

228023862 is a wasteful number, since it uses less digits than its factorization.

228023862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 228023862 is about 15100.4589996463. The cubic root of 228023862 is about 610.9327859218.

The spelling of 228023862 in words is "two hundred twenty-eight million, twenty-three thousand, eight hundred sixty-two".