22021322002 has 32 divisors (see below), whose sum is σ = 33974422272. Its totient is φ = 10700073984.

The previous prime is 22021321961. The next prime is 22021322021. The reversal of 22021322002 is 20022312022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14458413 + ... + 14459935.

It is an arithmetic number, because the mean of its divisors is an integer number (1061700696).

Almost surely, 2^22021322002 is an apocalyptic number.

22021322002 is a deficient number, since it is larger than the sum of its proper divisors (11953100270).

22021322002 is a wasteful number, since it uses less digits than its factorization.

22021322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22021322002 its reverse (20022312022), we get a palindrome (42043634024).

The spelling of 22021322002 in words is "twenty-two billion, twenty-one million, three hundred twenty-two thousand, two".