1270322221 has 16 divisors (see below), whose sum is σ = 1509024384. Its totient is φ = 1046637504.

The previous prime is 1270322203. The next prime is 1270322227. The reversal of 1270322221 is 1222230721.

It is a cyclic number.

It is not a de Polignac number, because 1270322221 - 2¹¹ = 1270320173 is a prime.

It is a super-2 number, since 2×1270322221² = 3227437090332745682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270322192 and 1270322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270322227) 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 15 ways as a sum of consecutive naturals, for example, 8050 + ... + 51043.

It is an arithmetic number, because the mean of its divisors is an integer number (94314024).

Almost surely, 2^1270322221 is an apocalyptic number.

It is an amenable number.

1270322221 is a deficient number, since it is larger than the sum of its proper divisors (238702163).

1270322221 is an equidigital number, since it uses as much as digits as its factorization.

1270322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59220.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1270322221 is about 35641.5799453391. The cubic root of 1270322221 is about 1083.0237113013.

Adding to 1270322221 its reverse (1222230721), we get a palindrome (2492552942).

It can be divided in two parts, 12703222 and 21, that multiplied together give a palindrome (266767662).

The spelling of 1270322221 in words is "one billion, two hundred seventy million, three hundred twenty-two thousand, two hundred twenty-one".