1302001222 has 4 divisors (see below), whose sum is σ = 1953001836. Its totient is φ = 651000610.

The previous prime is 1302001199. The next prime is 1302001241. The reversal of 1302001222 is 2221002031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 325500304 + ... + 325500307.

It is an arithmetic number, because the mean of its divisors is an integer number (488250459).

Almost surely, 2^1302001222 is an apocalyptic number.

1302001222 is a deficient number, since it is larger than the sum of its proper divisors (651000614).

1302001222 is an equidigital number, since it uses as much as digits as its factorization.

1302001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651000613.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1302001222 is about 36083.2540384040. The cubic root of 1302001222 is about 1091.9526265637.

Adding to 1302001222 its reverse (2221002031), we get a palindrome (3523003253).

The spelling of 1302001222 in words is "one billion, three hundred two million, one thousand, two hundred twenty-two".