228254749 has 8 divisors (see below), whose sum is σ = 234037440. Its totient is φ = 222482400.

The previous prime is 228254743. The next prime is 228254759. The reversal of 228254749 is 947452822.

It is a happy number.

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

It is not a de Polignac number, because 228254749 - 2¹¹ = 228252701 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 (228254743) 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, 62134 + ... + 65704.

It is an arithmetic number, because the mean of its divisors is an integer number (29254680).

Almost surely, 2^228254749 is an apocalyptic number.

It is an amenable number.

228254749 is a deficient number, since it is larger than the sum of its proper divisors (5782691).

228254749 is a wasteful number, since it uses less digits than its factorization.

228254749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its digits is 322560, while the sum is 43.

The square root of 228254749 is about 15108.1020978811. The cubic root of 228254749 is about 611.1389176463.

The spelling of 228254749 in words is "two hundred twenty-eight million, two hundred fifty-four thousand, seven hundred forty-nine".