22180463 has 2 divisors, whose sum is σ = 22180464. Its totient is φ = 22180462.

The previous prime is 22180453. The next prime is 22180481. The reversal of 22180463 is 36408122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22180463 - 2⁶ = 22180399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22180453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11090231 + 11090232.

It is an arithmetic number, because the mean of its divisors is an integer number (11090232).

Almost surely, 2^22180463 is an apocalyptic number.

22180463 is a deficient number, since it is larger than the sum of its proper divisors (1).

22180463 is an equidigital number, since it uses as much as digits as its factorization.

22180463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22180463 is about 4709.6138907558. The cubic root of 22180463 is about 280.9680058810.

Adding to 22180463 its reverse (36408122), we get a palindrome (58588585).

The spelling of 22180463 in words is "twenty-two million, one hundred eighty thousand, four hundred sixty-three".