1022004849 has 4 divisors (see below), whose sum is σ = 1362673136. Its totient is φ = 681336564.

The previous prime is 1022004821. The next prime is 1022004853. The reversal of 1022004849 is 9484002201.

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: 9484002201 = 3 ⋅3161334067.

It is not a de Polignac number, because 1022004849 - 2⁷ = 1022004721 is a prime.

It is a super-2 number, since 2×1022004849² = 2088987822759025602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022004859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170334139 + ... + 170334144.

It is an arithmetic number, because the mean of its divisors is an integer number (340668284).

Almost surely, 2^1022004849 is an apocalyptic number.

It is an amenable number.

1022004849 is a deficient number, since it is larger than the sum of its proper divisors (340668287).

1022004849 is an equidigital number, since it uses as much as digits as its factorization.

1022004849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340668286.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1022004849 is about 31968.8105659250. The cubic root of 1022004849 is about 1007.2817964031.

The spelling of 1022004849 in words is "one billion, twenty-two million, four thousand, eight hundred forty-nine".