22012002002 has 8 divisors (see below), whose sum is σ = 33470304636. Its totient is φ = 10855233792.

The previous prime is 22012001983. The next prime is 22012002007. The reversal of 22012002002 is 20020021022.

It can be written as a sum of positive squares in 2 ways, for example, as 21998525761 + 13476241 = 148319^2 + 3671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22012002007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75383423 + ... + 75383714.

Almost surely, 2^22012002002 is an apocalyptic number.

22012002002 is a deficient number, since it is larger than the sum of its proper divisors (11458302634).

22012002002 is a wasteful number, since it uses less digits than its factorization.

22012002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150767212.

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

Adding to 22012002002 its reverse (20020021022), we get a palindrome (42032023024).

The spelling of 22012002002 in words is "twenty-two billion, twelve million, two thousand, two".