22214819 has 8 divisors (see below), whose sum is σ = 25510080. Its totient is φ = 19132200.

The previous prime is 22214813. The next prime is 22214833. The reversal of 22214819 is 91841222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22214819 is a prime.

It is a super-2 number, since 2×22214819² = 986996366405522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22214791 and 22214800.

It is not an unprimeable number, because it can be changed into a prime (22214813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52937 + ... + 53354.

It is an arithmetic number, because the mean of its divisors is an integer number (3188760).

Almost surely, 2^22214819 is an apocalyptic number.

22214819 is a deficient number, since it is larger than the sum of its proper divisors (3295261).

22214819 is a wasteful number, since it uses less digits than its factorization.

22214819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106321.

The product of its digits is 2304, while the sum is 29.

The square root of 22214819 is about 4713.2599122051. The cubic root of 22214819 is about 281.1129977024.

The spelling of 22214819 in words is "twenty-two million, two hundred fourteen thousand, eight hundred nineteen".