22021022002 has 16 divisors (see below), whose sum is σ = 39737183040. Its totient is φ = 8940865968.

The previous prime is 22021021991. The next prime is 22021022011. The reversal of 22021022002 is 20022012022.

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, 41392633 + ... + 41393164.

It is an arithmetic number, because the mean of its divisors is an integer number (2483573940).

Almost surely, 2^22021022002 is an apocalyptic number.

22021022002 is a deficient number, since it is larger than the sum of its proper divisors (17716161038).

22021022002 is a wasteful number, since it uses less digits than its factorization.

22021022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82785825.

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

Adding to 22021022002 its reverse (20022012022), we get a palindrome (42043034024).

The spelling of 22021022002 in words is "twenty-two billion, twenty-one million, twenty-two thousand, two".