228626241 has 4 divisors (see below), whose sum is σ = 304834992. Its totient is φ = 152417492.

The previous prime is 228626213. The next prime is 228626257. The reversal of 228626241 is 142626822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228626241 - 2²² = 224431937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228626201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38104371 + ... + 38104376.

It is an arithmetic number, because the mean of its divisors is an integer number (76208748).

Almost surely, 2^228626241 is an apocalyptic number.

It is an amenable number.

228626241 is a deficient number, since it is larger than the sum of its proper divisors (76208751).

228626241 is an equidigital number, since it uses as much as digits as its factorization.

228626241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76208750.

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

The square root of 228626241 is about 15120.3915623902. The cubic root of 228626241 is about 611.4702874032.

The spelling of 228626241 in words is "two hundred twenty-eight million, six hundred twenty-six thousand, two hundred forty-one".