22022022002 has 4 divisors (see below), whose sum is σ = 33033033006. Its totient is φ = 11011011000.

The previous prime is 22022021999. The next prime is 22022022019. The reversal of 22022022002 is 20022022022.

It is a happy number.

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., 20160876121 + 1861145881 = 141989^2 + 43141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505499 + ... + 5505505502.

Almost surely, 2^22022022002 is an apocalyptic number.

22022022002 is a deficient number, since it is larger than the sum of its proper divisors (11011011004).

22022022002 is a wasteful number, since it uses less digits than its factorization.

22022022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011011003.

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

Adding to 22022022002 its reverse (20022022022), we get a palindrome (42044044024).

The spelling of 22022022002 in words is "twenty-two billion, twenty-two million, twenty-two thousand, two".