228387037233 has 16 divisors (see below), whose sum is σ = 318811993920. Its totient is φ = 145236565824.

The previous prime is 228387037189. The next prime is 228387037243. The reversal of 228387037233 is 332730783822.

It is not a de Polignac number, because 228387037233 - 2⁹ = 228387036721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228387037243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15806866 + ... + 15821307.

It is an arithmetic number, because the mean of its divisors is an integer number (19925749620).

Almost surely, 2^228387037233 is an apocalyptic number.

It is an amenable number.

228387037233 is a deficient number, since it is larger than the sum of its proper divisors (90424956687).

228387037233 is a wasteful number, since it uses less digits than its factorization.

228387037233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31628288.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 228387037233 in words is "two hundred twenty-eight billion, three hundred eighty-seven million, thirty-seven thousand, two hundred thirty-three".