22219559 has 2 divisors, whose sum is σ = 22219560. Its totient is φ = 22219558.

The previous prime is 22219553. The next prime is 22219583. The reversal of 22219559 is 95591222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22219559 - 2⁴ = 22219543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22219553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109779 + 11109780.

It is an arithmetic number, because the mean of its divisors is an integer number (11109780).

Almost surely, 2^22219559 is an apocalyptic number.

22219559 is a deficient number, since it is larger than the sum of its proper divisors (1).

22219559 is an equidigital number, since it uses as much as digits as its factorization.

22219559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 22219559 is about 4713.7627220725. The cubic root of 22219559 is about 281.1329900755.

The spelling of 22219559 in words is "twenty-two million, two hundred nineteen thousand, five hundred fifty-nine".