22004022002 has 4 divisors (see below), whose sum is σ = 33006033006. Its totient is φ = 11002011000.

The previous prime is 22004021987. The next prime is 22004022059. The reversal of 22004022002 is 20022040022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18009908401 + 3994113601 = 134201^2 + 63199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501005499 + ... + 5501005502.

Almost surely, 2^22004022002 is an apocalyptic number.

22004022002 is a deficient number, since it is larger than the sum of its proper divisors (11002011004).

22004022002 is a wasteful number, since it uses less digits than its factorization.

22004022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002011003.

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

Adding to 22004022002 its reverse (20022040022), we get a palindrome (42026062024).

The spelling of 22004022002 in words is "twenty-two billion, four million, twenty-two thousand, two".