22220236500487 has 2 divisors, whose sum is σ = 22220236500488. Its totient is φ = 22220236500486.

The previous prime is 22220236500463. The next prime is 22220236500563. The reversal of 22220236500487 is 78400563202222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220236500487 - 2⁷ = 22220236500359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220236530487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110118250243 + 11110118250244.

It is an arithmetic number, because the mean of its divisors is an integer number (11110118250244).

Almost surely, 2^{22220236500487} is an apocalyptic number.

22220236500487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220236500487 is an equidigital number, since it uses as much as digits as its factorization.

22220236500487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 22220236500487 in words is "twenty-two trillion, two hundred twenty billion, two hundred thirty-six million, five hundred thousand, four hundred eighty-seven".