22242321437561 has 8 divisors (see below), whose sum is σ = 23209428913344. Its totient is φ = 21275218130320.

The previous prime is 22242321437527. The next prime is 22242321437593. The reversal of 22242321437561 is 16573412324222.

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-22242321437561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22242321437461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15342335 + ... + 16729371.

It is an arithmetic number, because the mean of its divisors is an integer number (2901178614168).

Almost surely, 2^{22242321437561} is an apocalyptic number.

It is an amenable number.

22242321437561 is a deficient number, since it is larger than the sum of its proper divisors (967107475783).

22242321437561 is a wasteful number, since it uses less digits than its factorization.

22242321437561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084271.

The product of its digits is 967680, while the sum is 44.

The spelling of 22242321437561 in words is "twenty-two trillion, two hundred forty-two billion, three hundred twenty-one million, four hundred thirty-seven thousand, five hundred sixty-one".