270028221 has 8 divisors (see below), whose sum is σ = 381216384. Its totient is φ = 169429440.

The previous prime is 270028219. The next prime is 270028223. The reversal of 270028221 is 122820072.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (270028219) and next prime (270028223).

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

It is not a de Polignac number, because 270028221 - 2¹ = 270028219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 270028191 and 270028200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270028223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647285 + ... + 2647386.

It is an arithmetic number, because the mean of its divisors is an integer number (47652048).

Almost surely, 2^270028221 is an apocalyptic number.

It is an amenable number.

270028221 is a deficient number, since it is larger than the sum of its proper divisors (111188163).

270028221 is a wasteful number, since it uses less digits than its factorization.

270028221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294691.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 270028221 is about 16432.5354403999. The cubic root of 270028221 is about 646.3529248552.

Adding to 270028221 its reverse (122820072), we get a palindrome (392848293).

The spelling of 270028221 in words is "two hundred seventy million, twenty-eight thousand, two hundred twenty-one".