22220020202201 has 4 divisors (see below), whose sum is σ = 22221177092352. Its totient is φ = 22218863312052.

The previous prime is 22220020202179. The next prime is 22220020202203. The reversal of 22220020202201 is 10220202002222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22220020202201 - 2⁶ = 22220020202137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22220020202201.

It is not an unprimeable number, because it can be changed into a prime (22220020202203) 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, 578416265 + ... + 578454678.

It is an arithmetic number, because the mean of its divisors is an integer number (5555294273088).

Almost surely, 2^{22220020202201} is an apocalyptic number.

It is an amenable number.

22220020202201 is a deficient number, since it is larger than the sum of its proper divisors (1156890151).

22220020202201 is a wasteful number, since it uses less digits than its factorization.

22220020202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156890150.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220020202201 its reverse (10220202002222), we get a palindrome (32440222204423).

The spelling of 22220020202201 in words is "twenty-two trillion, two hundred twenty billion, twenty million, two hundred two thousand, two hundred one".