1222307004 has 72 divisors (see below), whose sum is σ = 3094560000. Its totient is φ = 375259904.

The previous prime is 1222307003. The next prime is 1222307017. The reversal of 1222307004 is 4007032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222307003) 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 23 ways as a sum of consecutive naturals, for example, 159247 + ... + 166745.

It is an arithmetic number, because the mean of its divisors is an integer number (42980000).

Almost surely, 2^1222307004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222307004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547280000).

1222307004 is an abundant number, since it is smaller than the sum of its proper divisors (1872252996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222307004 is a wasteful number, since it uses less digits than its factorization.

1222307004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1222307004 is about 34961.5074617786. The cubic root of 1222307004 is about 1069.2028312873.

Adding to 1222307004 its reverse (4007032221), we get a palindrome (5229339225).

The spelling of 1222307004 in words is "one billion, two hundred twenty-two million, three hundred seven thousand, four".