22202012201 has 4 divisors (see below), whose sum is σ = 22202332500. Its totient is φ = 22201691904.

The previous prime is 22202012197. The next prime is 22202012237. The reversal of 22202012201 is 10221020222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 15976960000 + 6225052201 = 126400^2 + 78899^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202012201 - 2² = 22202012197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202011201) 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, 7976 + ... + 210873.

It is an arithmetic number, because the mean of its divisors is an integer number (5550583125).

Almost surely, 2^22202012201 is an apocalyptic number.

It is an amenable number.

22202012201 is a deficient number, since it is larger than the sum of its proper divisors (320299).

22202012201 is a wasteful number, since it uses less digits than its factorization.

22202012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320298.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22202012201 its reverse (10221020222), we get a palindrome (32423032423).

The spelling of 22202012201 in words is "twenty-two billion, two hundred two million, twelve thousand, two hundred one".