228344413 has 12 divisors (see below), whose sum is σ = 262908288. Its totient is φ = 196656840.

The previous prime is 228344383. The next prime is 228344423. The reversal of 228344413 is 314443822.

It is a happy number.

228344413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228344413 - 2²¹ = 226247261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228344423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24781 + ... + 32722.

It is an arithmetic number, because the mean of its divisors is an integer number (21909024).

Almost surely, 2^228344413 is an apocalyptic number.

It is an amenable number.

228344413 is a deficient number, since it is larger than the sum of its proper divisors (34563875).

228344413 is a wasteful number, since it uses less digits than its factorization.

228344413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57552 (or 57533 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 228344413 is about 15111.0692209387. The cubic root of 228344413 is about 611.2189305653.

The spelling of 228344413 in words is "two hundred twenty-eight million, three hundred forty-four thousand, four hundred thirteen".