22000221202 has 4 divisors (see below), whose sum is σ = 33000331806. Its totient is φ = 11000110600.

The previous prime is 22000221157. The next prime is 22000221223. The reversal of 22000221202 is 20212200022.

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., 17755829001 + 4244392201 = 133251^2 + 65149^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500055299 + ... + 5500055302.

Almost surely, 2^22000221202 is an apocalyptic number.

22000221202 is a deficient number, since it is larger than the sum of its proper divisors (11000110604).

22000221202 is a wasteful number, since it uses less digits than its factorization.

22000221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000110603.

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

Adding to 22000221202 its reverse (20212200022), we get a palindrome (42212421224).

The spelling of 22000221202 in words is "twenty-two billion, two hundred twenty-one thousand, two hundred two".