1004422013 has 4 divisors (see below), whose sum is σ = 1147910880. Its totient is φ = 860933148.

The previous prime is 1004421973. The next prime is 1004422021. The reversal of 1004422013 is 3102244001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3102244001 = 5477 ⋅566413.

It is a cyclic number.

It is not a de Polignac number, because 1004422013 - 2⁶ = 1004421949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004421982 and 1004422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004422043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71744423 + ... + 71744436.

It is an arithmetic number, because the mean of its divisors is an integer number (286977720).

Almost surely, 2^1004422013 is an apocalyptic number.

It is an amenable number.

1004422013 is a deficient number, since it is larger than the sum of its proper divisors (143488867).

1004422013 is an equidigital number, since it uses as much as digits as its factorization.

1004422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143488866.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1004422013 is about 31692.6176419683. The cubic root of 1004422013 is about 1001.4718369665.

Adding to 1004422013 its reverse (3102244001), we get a palindrome (4106666014).

The spelling of 1004422013 in words is "one billion, four million, four hundred twenty-two thousand, thirteen".