1222352004 has 72 divisors (see below), whose sum is σ = 3054666720. Its totient is φ = 379313280.

The previous prime is 1222351987. The next prime is 1222352011. The reversal of 1222352004 is 4002532221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4510389 + ... + 4510659.

Almost surely, 2^1222352004 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 1222352004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527333360).

1222352004 is an abundant number, since it is smaller than the sum of its proper divisors (1832314716).

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

1222352004 is a wasteful number, since it uses less digits than its factorization.

1222352004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1222352004 is about 34962.1510207825. The cubic root of 1222352004 is about 1069.2159522508.

Adding to 1222352004 its reverse (4002532221), we get a palindrome (5224884225).

The spelling of 1222352004 in words is "one billion, two hundred twenty-two million, three hundred fifty-two thousand, four".