22200022002002 has 16 divisors (see below), whose sum is σ = 35861653571352. Its totient is φ = 10246141267200.

The previous prime is 22200022001977. The next prime is 22200022002101. The reversal of 22200022002002 is 20020022000222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12774698337241 + 9425323664761 = 3574171^2 + 3070069^2 .

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, 18633002 + ... + 19788602.

Almost surely, 2^{22200022002002} is an apocalyptic number.

22200022002002 is a deficient number, since it is larger than the sum of its proper divisors (13661631569350).

22200022002002 is a wasteful number, since it uses less digits than its factorization.

22200022002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894493.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22200022002002 its reverse (20020022000222), we get a palindrome (42220044002224).

The spelling of 22200022002002 in words is "twenty-two trillion, two hundred billion, twenty-two million, two thousand, two".