1302214022221 has 4 divisors (see below), whose sum is σ = 1488244596832. Its totient is φ = 1116183447612.

The previous prime is 1302214022189. The next prime is 1302214022231. The reversal of 1302214022221 is 1222204122031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1302214022221 - 2⁵ = 1302214022189 is a prime.

It is a super-2 number, since 2×1302214022221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302214022192 and 1302214022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302214022231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93015287295 + ... + 93015287308.

It is an arithmetic number, because the mean of its divisors is an integer number (372061149208).

Almost surely, 2^{1302214022221} is an apocalyptic number.

It is an amenable number.

1302214022221 is a deficient number, since it is larger than the sum of its proper divisors (186030574611).

1302214022221 is an equidigital number, since it uses as much as digits as its factorization.

1302214022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186030574610.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1302214022221 its reverse (1222204122031), we get a palindrome (2524418144252).

The spelling of 1302214022221 in words is "one trillion, three hundred two billion, two hundred fourteen million, twenty-two thousand, two hundred twenty-one".