1310021222 has 8 divisors (see below), whose sum is σ = 1980032472. Its totient is φ = 650010400.

The previous prime is 1310021201. The next prime is 1310021227. The reversal of 1310021222 is 2221200131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1310021197 and 1310021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310021227) 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, 2499779 + ... + 2500302.

It is an arithmetic number, because the mean of its divisors is an integer number (247504059).

Almost surely, 2^1310021222 is an apocalyptic number.

1310021222 is a deficient number, since it is larger than the sum of its proper divisors (670011250).

1310021222 is a wasteful number, since it uses less digits than its factorization.

1310021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000214.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1310021222 is about 36194.2153112897. The cubic root of 1310021222 is about 1094.1900899262.

Adding to 1310021222 its reverse (2221200131), we get a palindrome (3531221353).

The spelling of 1310021222 in words is "one billion, three hundred ten million, twenty-one thousand, two hundred twenty-two".