1222056004 has 24 divisors (see below), whose sum is σ = 2359282968. Its totient is φ = 550268160.

The previous prime is 1222055993. The next prime is 1222056013. The reversal of 1222056004 is 4006502221.

It can be written as a sum of positive squares in 4 ways, for example, as 7672900 + 1214383104 = 2770^2 + 34848^2 .

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, 284467 + ... + 288730.

It is an arithmetic number, because the mean of its divisors is an integer number (98303457).

Almost surely, 2^1222056004 is an apocalyptic number.

It is an amenable number.

1222056004 is a deficient number, since it is larger than the sum of its proper divisors (1137226964).

1222056004 is a wasteful number, since it uses less digits than its factorization.

1222056004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573255 (or 573253 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1222056004 is about 34957.9176153271. The cubic root of 1222056004 is about 1069.1296395600.

Adding to 1222056004 its reverse (4006502221), we get a palindrome (5228558225).

The spelling of 1222056004 in words is "one billion, two hundred twenty-two million, fifty-six thousand, four".