1111222004 has 6 divisors (see below), whose sum is σ = 1944638514. Its totient is φ = 555611000.

The previous prime is 1111222003. The next prime is 1111222027. The reversal of 1111222004 is 4002221111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1089132004 + 22090000 = 33002^2 + 4700^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1111222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111222003) 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 as a sum of consecutive naturals, namely, 138902747 + ... + 138902754.

It is an arithmetic number, because the mean of its divisors is an integer number (324106419).

Almost surely, 2^1111222004 is an apocalyptic number.

It is an amenable number.

1111222004 is a deficient number, since it is larger than the sum of its proper divisors (833416510).

1111222004 is a wasteful number, since it uses less digits than its factorization.

1111222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277805505 (or 277805503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1111222004 is about 33334.9966851656. The cubic root of 1111222004 is about 1035.7786245039.

Adding to 1111222004 its reverse (4002221111), we get a palindrome (5113443115).

The spelling of 1111222004 in words is "one billion, one hundred eleven million, two hundred twenty-two thousand, four".