22201001012207 has 4 divisors (see below), whose sum is σ = 22201016563320. Its totient is φ = 22200985461096.

The previous prime is 22201001012173. The next prime is 22201001012219. The reversal of 22201001012207 is 70221010010222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22201001012207 - 2²² = 22200996817903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201001012227) 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, 5390213 + ... + 8570670.

It is an arithmetic number, because the mean of its divisors is an integer number (5550254140830).

Almost surely, 2^{22201001012207} is an apocalyptic number.

22201001012207 is a deficient number, since it is larger than the sum of its proper divisors (15551113).

22201001012207 is a wasteful number, since it uses less digits than its factorization.

22201001012207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551112.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 22201001012207 its reverse (70221010010222), we get a palindrome (92422011022429).

The spelling of 22201001012207 in words is "twenty-two trillion, two hundred one billion, one million, twelve thousand, two hundred seven".