22183720061 has 2 divisors, whose sum is σ = 22183720062. Its totient is φ = 22183720060.

The previous prime is 22183720051. The next prime is 22183720099. The reversal of 22183720061 is 16002738122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17238114436 + 4945605625 = 131294^2 + 70325^2 .

It is a cyclic number.

It is not a de Polignac number, because 22183720061 - 2¹⁴ = 22183703677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22183720051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11091860030 + 11091860031.

It is an arithmetic number, because the mean of its divisors is an integer number (11091860031).

Almost surely, 2^22183720061 is an apocalyptic number.

It is an amenable number.

22183720061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22183720061 is an equidigital number, since it uses as much as digits as its factorization.

22183720061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 22183720061 in words is "twenty-two billion, one hundred eighty-three million, seven hundred twenty thousand, sixty-one".