1222443004 has 24 divisors (see below), whose sum is σ = 2268187488. Its totient is φ = 574487040.

The previous prime is 1222442959. The next prime is 1222443067. The reversal of 1222443004 is 4003442221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39937 + ... + 63559.

It is an arithmetic number, because the mean of its divisors is an integer number (94507812).

Almost surely, 2^1222443004 is an apocalyptic number.

It is an amenable number.

1222443004 is a deficient number, since it is larger than the sum of its proper divisors (1045744484).

1222443004 is a wasteful number, since it uses less digits than its factorization.

1222443004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24405 (or 24403 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1222443004 is about 34963.4524039031. The cubic root of 1222443004 is about 1069.2424847709.

Adding to 1222443004 its reverse (4003442221), we get a palindrome (5225885225).

The spelling of 1222443004 in words is "one billion, two hundred twenty-two million, four hundred forty-three thousand, four".