270564221 has 2 divisors, whose sum is σ = 270564222. Its totient is φ = 270564220.

The previous prime is 270564209. The next prime is 270564233. The reversal of 270564221 is 122465072.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (270564209) and next prime (270564233).

It can be written as a sum of positive squares in only one way, i.e., 207043321 + 63520900 = 14389^2 + 7970^2 .

It is a cyclic number.

It is not a de Polignac number, because 270564221 - 2¹⁸ = 270302077 is a prime.

It is a super-4 number, since 4×270564221⁴ (a number of 35 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_14740445 and since 270564221 and 14740445 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270564241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135282110 + 135282111.

It is an arithmetic number, because the mean of its divisors is an integer number (135282111).

Almost surely, 2^270564221 is an apocalyptic number.

It is an amenable number.

270564221 is a deficient number, since it is larger than the sum of its proper divisors (1).

270564221 is an equidigital number, since it uses as much as digits as its factorization.

270564221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 270564221 is about 16448.8364634098. The cubic root of 270564221 is about 646.7803075811.

The spelling of 270564221 in words is "two hundred seventy million, five hundred sixty-four thousand, two hundred twenty-one".