1802224049 has 4 divisors (see below), whose sum is σ = 1804832880. Its totient is φ = 1799615220.

The previous prime is 1802224001. The next prime is 1802224097. The reversal of 1802224049 is 9404222081.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (1802224001) and next prime (1802224097).

It is a cyclic number.

It is not a de Polignac number, because 1802224049 - 2⁸ = 1802223793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1802284049) 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, 1303379 + ... + 1304760.

It is an arithmetic number, because the mean of its divisors is an integer number (451208220).

Almost surely, 2^1802224049 is an apocalyptic number.

It is an amenable number.

1802224049 is a deficient number, since it is larger than the sum of its proper divisors (2608831).

1802224049 is an equidigital number, since it uses as much as digits as its factorization.

1802224049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608830.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1802224049 is about 42452.6094486546. The cubic root of 1802224049 is about 1216.9411971812.

The spelling of 1802224049 in words is "one billion, eight hundred two million, two hundred twenty-four thousand, forty-nine".