22000022002 has 16 divisors (see below), whose sum is σ = 37734504192. Its totient is φ = 9423535680.

The previous prime is 22000021973. The next prime is 22000022027. The reversal of 22000022002 is 20022000022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000022002.

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, 393274 + ... + 445717.

It is an arithmetic number, because the mean of its divisors is an integer number (2358406512).

Almost surely, 2^22000022002 is an apocalyptic number.

22000022002 is a deficient number, since it is larger than the sum of its proper divisors (15734482190).

22000022002 is a wasteful number, since it uses less digits than its factorization.

22000022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840873.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22000022002 its reverse (20022000022), we get a palindrome (42022022024).

The spelling of 22000022002 in words is "twenty-two billion, twenty-two thousand, two".