22002012002 has 16 divisors (see below), whose sum is σ = 33717925080. Its totient is φ = 10765252608.

The previous prime is 22002011957. The next prime is 22002012029. The reversal of 22002012002 is 20021020022.

It can be written as a sum of positive squares in 4 ways, for example, as 11299902601 + 10702109401 = 106301^2 + 103451^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619883 + ... + 654414.

Almost surely, 2^22002012002 is an apocalyptic number.

22002012002 is a deficient number, since it is larger than the sum of its proper divisors (11715913078).

22002012002 is a wasteful number, since it uses less digits than its factorization.

22002012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274485.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22002012002 its reverse (20021020022), we get a palindrome (42023032024).

The spelling of 22002012002 in words is "twenty-two billion, two million, twelve thousand, two".