22219985419 has 2 divisors, whose sum is σ = 22219985420. Its totient is φ = 22219985418.

The previous prime is 22219985401. The next prime is 22219985443. The reversal of 22219985419 is 91458991222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22219985419 - 2²³ = 22211596811 is a prime.

It is a super-2 number, since 2×22219985419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22219985519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109992709 + 11109992710.

It is an arithmetic number, because the mean of its divisors is an integer number (11109992710).

Almost surely, 2^22219985419 is an apocalyptic number.

22219985419 is a deficient number, since it is larger than the sum of its proper divisors (1).

22219985419 is an equidigital number, since it uses as much as digits as its factorization.

22219985419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 52.

The spelling of 22219985419 in words is "twenty-two billion, two hundred nineteen million, nine hundred eighty-five thousand, four hundred nineteen".