228948941 has 8 divisors (see below), whose sum is σ = 248823960. Its totient is φ = 209397312.

The previous prime is 228948901. The next prime is 228948947. The reversal of 228948941 is 149849822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31967716 + 196981225 = 5654^2 + 14035^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228948941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228948947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79370 + ... + 82203.

It is an arithmetic number, because the mean of its divisors is an integer number (31102995).

Almost surely, 2^228948941 is an apocalyptic number.

It is an amenable number.

228948941 is a deficient number, since it is larger than the sum of its proper divisors (19875019).

228948941 is a wasteful number, since it uses less digits than its factorization.

228948941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161695.

The product of its digits is 331776, while the sum is 47.

The square root of 228948941 is about 15131.0588195275. The cubic root of 228948941 is about 611.7578436282.

The spelling of 228948941 in words is "two hundred twenty-eight million, nine hundred forty-eight thousand, nine hundred forty-one".