22011230201 has 8 divisors (see below), whose sum is σ = 22155967944. Its totient is φ = 21866826240.

The previous prime is 22011230183. The next prime is 22011230237. The reversal of 22011230201 is 10203211022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3209335801 + 18801894400 = 56651^2 + 137120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011230201 is a prime.

It is a super-2 number, since 2×22011230201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011230291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49571 + ... + 215591.

It is an arithmetic number, because the mean of its divisors is an integer number (2769495993).

Almost surely, 2^22011230201 is an apocalyptic number.

It is an amenable number.

22011230201 is a deficient number, since it is larger than the sum of its proper divisors (144737743).

22011230201 is a wasteful number, since it uses less digits than its factorization.

22011230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166891.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22011230201 its reverse (10203211022), we get a palindrome (32214441223).

The spelling of 22011230201 in words is "twenty-two billion, eleven million, two hundred thirty thousand, two hundred one".