2002223794 has 4 divisors (see below), whose sum is σ = 3003335694. Its totient is φ = 1001111896.

The previous prime is 2002223789. The next prime is 2002223803. The reversal of 2002223794 is 4973222002.

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

It can be written as a sum of positive squares in only one way, i.e., 1729478569 + 272745225 = 41587^2 + 16515^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 500555947 + ... + 500555950.

Almost surely, 2^2002223794 is an apocalyptic number.

2002223794 is a deficient number, since it is larger than the sum of its proper divisors (1001111900).

2002223794 is a wasteful number, since it uses less digits than its factorization.

2002223794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001111899.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2002223794 is about 44746.2154153846. The cubic root of 2002223794 is about 1260.3878444070.

Adding to 2002223794 its reverse (4973222002), we get a palindrome (6975445796).

The spelling of 2002223794 in words is "two billion, two million, two hundred twenty-three thousand, seven hundred ninety-four".