22223530261 has 8 divisors (see below), whose sum is σ = 22827619160. Its totient is φ = 21619623168.

The previous prime is 22223530249. The next prime is 22223530271. The reversal of 22223530261 is 16203532222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17035209361 + 5188320900 = 130519^2 + 72030^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22223530261 - 2¹¹ = 22223528213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223530271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223705 + ... + 307393.

It is an arithmetic number, because the mean of its divisors is an integer number (2853452395).

Almost surely, 2^22223530261 is an apocalyptic number.

It is an amenable number.

22223530261 is a deficient number, since it is larger than the sum of its proper divisors (604088899).

22223530261 is an equidigital number, since it uses as much as digits as its factorization.

22223530261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90903.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 22223530261 in words is "twenty-two billion, two hundred twenty-three million, five hundred thirty thousand, two hundred sixty-one".