228554149 has 4 divisors (see below), whose sum is σ = 228666060. Its totient is φ = 228442240.

The previous prime is 228554113. The next prime is 228554201. The reversal of 228554149 is 941455822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86825124 + 141729025 = 9318^2 + 11905^2 .

It is a cyclic number.

It is not a de Polignac number, because 228554149 - 2¹¹ = 228552101 is a prime.

It is a super-2 number, since 2×228554149² = 104473998050228402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228554549) 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, 52834 + ... + 56995.

It is an arithmetic number, because the mean of its divisors is an integer number (57166515).

Almost surely, 2^228554149 is an apocalyptic number.

It is an amenable number.

228554149 is a deficient number, since it is larger than the sum of its proper divisors (111911).

228554149 is a wasteful number, since it uses less digits than its factorization.

228554149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111910.

The product of its digits is 115200, while the sum is 40.

The square root of 228554149 is about 15118.0074414587. The cubic root of 228554149 is about 611.4060096399.

The spelling of 228554149 in words is "two hundred twenty-eight million, five hundred fifty-four thousand, one hundred forty-nine".