1222311302 has 8 divisors (see below), whose sum is σ = 1838383536. Its totient is φ = 609516792.

The previous prime is 1222311301. The next prime is 1222311313. The reversal of 1222311302 is 2031132221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222311301) 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 3 ways as a sum of consecutive naturals, for example, 818498 + ... + 819989.

It is an arithmetic number, because the mean of its divisors is an integer number (229797942).

Almost surely, 2^1222311302 is an apocalyptic number.

1222311302 is a deficient number, since it is larger than the sum of its proper divisors (616072234).

1222311302 is a wasteful number, since it uses less digits than its factorization.

1222311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638862.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222311302 is about 34961.5689293258. The cubic root of 1222311302 is about 1069.2040844990.

Adding to 1222311302 its reverse (2031132221), we get a palindrome (3253443523).

The spelling of 1222311302 in words is "one billion, two hundred twenty-two million, three hundred eleven thousand, three hundred two".