22214789 has 4 divisors (see below), whose sum is σ = 22731456. Its totient is φ = 21698124.

The previous prime is 22214779. The next prime is 22214807. The reversal of 22214789 is 98741222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98741222 = 2 ⋅49370611.

It is a cyclic number.

It is not a de Polignac number, because 22214789 - 2²⁴ = 5437573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258269 + ... + 258354.

It is an arithmetic number, because the mean of its divisors is an integer number (5682864).

Almost surely, 2^22214789 is an apocalyptic number.

It is an amenable number.

22214789 is a deficient number, since it is larger than the sum of its proper divisors (516667).

22214789 is an equidigital number, since it uses as much as digits as its factorization.

22214789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516666.

The product of its digits is 16128, while the sum is 35.

The square root of 22214789 is about 4713.2567296934. The cubic root of 22214789 is about 281.1128711593.

The spelling of 22214789 in words is "twenty-two million, two hundred fourteen thousand, seven hundred eighty-nine".