22214719 has 2 divisors, whose sum is σ = 22214720. Its totient is φ = 22214718.

The previous prime is 22214681. The next prime is 22214729. The reversal of 22214719 is 91741222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22214719 - 2²¹ = 20117567 is a prime.

It is a super-2 number, since 2×22214719² = 986987480497922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22214729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107359 + 11107360.

It is an arithmetic number, because the mean of its divisors is an integer number (11107360).

Almost surely, 2^22214719 is an apocalyptic number.

22214719 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214719 is an equidigital number, since it uses as much as digits as its factorization.

22214719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 22214719 is about 4713.2493038243. The cubic root of 22214719 is about 281.1125758917.

It can be divided in two parts, 222 and 14719, that added together give a palindrome (14941).

The spelling of 22214719 in words is "twenty-two million, two hundred fourteen thousand, seven hundred nineteen".