1004402254 has 4 divisors (see below), whose sum is σ = 1506603384. Its totient is φ = 502201126.

The previous prime is 1004402237. The next prime is 1004402317. The reversal of 1004402254 is 4522044001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251100562 + ... + 251100565.

It is an arithmetic number, because the mean of its divisors is an integer number (376650846).

Almost surely, 2^1004402254 is an apocalyptic number.

1004402254 is a deficient number, since it is larger than the sum of its proper divisors (502201130).

1004402254 is an equidigital number, since it uses as much as digits as its factorization.

1004402254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502201129.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1004402254 is about 31692.3059116878. The cubic root of 1004402254 is about 1001.4652699354.

Adding to 1004402254 its reverse (4522044001), we get a palindrome (5526446255).

The spelling of 1004402254 in words is "one billion, four million, four hundred two thousand, two hundred fifty-four".