22216225102261 has 16 divisors (see below), whose sum is σ = 22793098603968. Its totient is φ = 21642158563200.

The previous prime is 22216225102219. The next prime is 22216225102289. The reversal of 22216225102261 is 16220152261222.

It is a cyclic number.

It is not a de Polignac number, because 22216225102261 - 2⁷ = 22216225102133 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 (22216225102361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26365921 + ... + 27195481.

It is an arithmetic number, because the mean of its divisors is an integer number (1424568662748).

Almost surely, 2^{22216225102261} is an apocalyptic number.

It is an amenable number.

22216225102261 is a deficient number, since it is larger than the sum of its proper divisors (576873501707).

22216225102261 is a wasteful number, since it uses less digits than its factorization.

22216225102261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831252.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 22216225102261 its reverse (16220152261222), we get a palindrome (38436377363483).

The spelling of 22216225102261 in words is "twenty-two trillion, two hundred sixteen billion, two hundred twenty-five million, one hundred two thousand, two hundred sixty-one".