1222244004 has 12 divisors (see below), whose sum is σ = 2851902704. Its totient is φ = 407414664.

The previous prime is 1222243963. The next prime is 1222244033. The reversal of 1222244004 is 4004422221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50926822 + ... + 50926845.

Almost surely, 2^1222244004 is an apocalyptic number.

It is an amenable number.

1222244004 is an abundant number, since it is smaller than the sum of its proper divisors (1629658700).

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

1222244004 is a wasteful number, since it uses less digits than its factorization.

1222244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101853674 (or 101853672 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1222244004 is about 34960.6064592707. The cubic root of 1222244004 is about 1069.1844613972.

Adding to 1222244004 its reverse (4004422221), we get a palindrome (5226666225).

The spelling of 1222244004 in words is "one billion, two hundred twenty-two million, two hundred forty-four thousand, four".