1004224452 has 96 divisors (see below), whose sum is σ = 2927038464. Its totient is φ = 260332800.

The previous prime is 1004224411. The next prime is 1004224453. The reversal of 1004224452 is 2544224001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1004224453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841168 + ... + 842360.

It is an arithmetic number, because the mean of its divisors is an integer number (30489984).

Almost surely, 2^1004224452 is an apocalyptic number.

1004224452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004224452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463519232).

1004224452 is an abundant number, since it is smaller than the sum of its proper divisors (1922814012).

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

1004224452 is a wasteful number, since it uses less digits than its factorization.

1004224452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1004224452 is about 31689.5006587355. The cubic root of 1004224452 is about 1001.4061724190.

Adding to 1004224452 its reverse (2544224001), we get a palindrome (3548448453).

It can be divided in two parts, 1004 and 224452, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 1004224452 in words is "one billion, four million, two hundred twenty-four thousand, four hundred fifty-two".