22214779 has 2 divisors, whose sum is σ = 22214780. Its totient is φ = 22214778.

The previous prime is 22214771. The next prime is 22214807. The reversal of 22214779 is 97741222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22214779 - 2³ = 22214771 is a prime.

It is not a weakly prime, because it can be changed into another prime (22214771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107389 + 11107390.

It is an arithmetic number, because the mean of its divisors is an integer number (11107390).

Almost surely, 2^22214779 is an apocalyptic number.

22214779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214779 is an equidigital number, since it uses as much as digits as its factorization.

22214779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 22214779 is about 4713.2556688557. The cubic root of 22214779 is about 281.1128289782.

The spelling of 22214779 in words is "twenty-two million, two hundred fourteen thousand, seven hundred seventy-nine".