270683221 has 2 divisors, whose sum is σ = 270683222. Its totient is φ = 270683220.

The previous prime is 270683207. The next prime is 270683321. The reversal of 270683221 is 122386072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239166225 + 31516996 = 15465^2 + 5614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270683221 is a prime.

It is a super-2 number, since 2×270683221² = 146538812261869682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270683321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135341610 + 135341611.

It is an arithmetic number, because the mean of its divisors is an integer number (135341611).

Almost surely, 2^270683221 is an apocalyptic number.

It is an amenable number.

270683221 is a deficient number, since it is larger than the sum of its proper divisors (1).

270683221 is an equidigital number, since it uses as much as digits as its factorization.

270683221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 270683221 is about 16452.4533428908. The cubic root of 270683221 is about 646.8751163419.

The spelling of 270683221 in words is "two hundred seventy million, six hundred eighty-three thousand, two hundred twenty-one".