22201002122 has 8 divisors (see below), whose sum is σ = 35863157316. Its totient is φ = 10246616352.

The previous prime is 22201002101. The next prime is 22201002127. The reversal of 22201002122 is 22120010222.

It can be written as a sum of positive squares in 2 ways, for example, as 21559342561 + 641659561 = 146831^2 + 25331^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22201002097 and 22201002106.

It is not an unprimeable number, because it can be changed into a prime (22201002127) 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, 426942323 + ... + 426942374.

Almost surely, 2^22201002122 is an apocalyptic number.

22201002122 is a deficient number, since it is larger than the sum of its proper divisors (13662155194).

22201002122 is a wasteful number, since it uses less digits than its factorization.

22201002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853884712.

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

Adding to 22201002122 its reverse (22120010222), we get a palindrome (44321012344).

It can be divided in two parts, 2220100 and 2122, that added together give a palindrome (2222222).

The spelling of 22201002122 in words is "twenty-two billion, two hundred one million, two thousand, one hundred twenty-two".