28554229 has 8 divisors (see below), whose sum is σ = 31188960. Its totient is φ = 25926000.

The previous prime is 28554223. The next prime is 28554257. The reversal of 28554229 is 92245582.

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

It is a cyclic number.

It is not a de Polignac number, because 28554229 - 2¹⁹ = 28029941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28554223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15067 + ... + 16855.

It is an arithmetic number, because the mean of its divisors is an integer number (3898620).

Almost surely, 2^28554229 is an apocalyptic number.

It is an amenable number.

28554229 is a deficient number, since it is larger than the sum of its proper divisors (2634731).

28554229 is a wasteful number, since it uses less digits than its factorization.

28554229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 57600, while the sum is 37.

The square root of 28554229 is about 5343.6157234592. The cubic root of 28554229 is about 305.6493519990.

The spelling of 28554229 in words is "twenty-eight million, five hundred fifty-four thousand, two hundred twenty-nine".