22002001850 has 48 divisors (see below), whose sum is σ = 41546644416. Its totient is φ = 8667120000.

The previous prime is 22002001849. The next prime is 22002001867. The reversal of 22002001850 is 5810020022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3728102 + ... + 3733998.

It is an arithmetic number, because the mean of its divisors is an integer number (865555092).

Almost surely, 2^22002001850 is an apocalyptic number.

22002001850 is a deficient number, since it is larger than the sum of its proper divisors (19544642566).

22002001850 is a wasteful number, since it uses less digits than its factorization.

22002001850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 22002001850 its reverse (5810020022), we get a palindrome (27812021872).

The spelling of 22002001850 in words is "twenty-two billion, two million, one thousand, eight hundred fifty".