228237401 has 8 divisors (see below), whose sum is σ = 261243840. Its totient is φ = 195331248.

The previous prime is 228237379. The next prime is 228237413. The reversal of 228237401 is 104732822.

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

It is not a de Polignac number, because 228237401 - 2¹⁰ = 228236377 is a prime.

It is a super-2 number, since 2×228237401² = 104184622430469602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228237491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20126 + ... + 29351.

It is an arithmetic number, because the mean of its divisors is an integer number (32655480).

Almost surely, 2^228237401 is an apocalyptic number.

It is an amenable number.

228237401 is a deficient number, since it is larger than the sum of its proper divisors (33006439).

228237401 is an equidigital number, since it uses as much as digits as its factorization.

228237401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50143.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 228237401 is about 15107.5279579420. The cubic root of 228237401 is about 611.1234344977.

The spelling of 228237401 in words is "two hundred twenty-eight million, two hundred thirty-seven thousand, four hundred one".