22002122002 has 48 divisors (see below), whose sum is σ = 40391022168. Its totient is φ = 8950798080.

The previous prime is 22002121997. The next prime is 22002122029. The reversal of 22002122002 is 20022120022.

It can be written as a sum of positive squares in 4 ways, for example, as 20888631841 + 1113490161 = 144529^2 + 33369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74668 + ... + 222664.

Almost surely, 2^22002122002 is an apocalyptic number.

22002122002 is a deficient number, since it is larger than the sum of its proper divisors (18388900166).

22002122002 is a wasteful number, since it uses less digits than its factorization.

22002122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148091 (or 148084 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22002122002 its reverse (20022120022), we get a palindrome (42024242024).

The spelling of 22002122002 in words is "twenty-two billion, two million, one hundred twenty-two thousand, two".