2223420221002 has 4 divisors (see below), whose sum is σ = 3335130331506. Its totient is φ = 1111710110500.

The previous prime is 2223420220909. The next prime is 2223420221021. The reversal of 2223420221002 is 2001220243222.

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., 1527649032361 + 695771188641 = 1235981^2 + 834129^2 .

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 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, 555855055249 + ... + 555855055252.

Almost surely, 2^{2223420221002} is an apocalyptic number.

2223420221002 is a deficient number, since it is larger than the sum of its proper divisors (1111710110504).

2223420221002 is a wasteful number, since it uses less digits than its factorization.

2223420221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111710110503.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2223420221002 its reverse (2001220243222), we get a palindrome (4224640464224).

The spelling of 2223420221002 in words is "two trillion, two hundred twenty-three billion, four hundred twenty million, two hundred twenty-one thousand, two".