22214345 has 4 divisors (see below), whose sum is σ = 26657220. Its totient is φ = 17771472.

The previous prime is 22214341. The next prime is 22214371. The reversal of 22214345 is 54341222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6086089 + 16128256 = 2467^2 + 4016^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214345 - 2² = 22214341 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22214345.

It is not an unprimeable number, because it can be changed into a prime (22214341) 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, 2221430 + ... + 2221439.

It is an arithmetic number, because the mean of its divisors is an integer number (6664305).

Almost surely, 2^22214345 is an apocalyptic number.

It is an amenable number.

22214345 is a deficient number, since it is larger than the sum of its proper divisors (4442875).

22214345 is an equidigital number, since it uses as much as digits as its factorization.

22214345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442874.

The product of its digits is 1920, while the sum is 23.

The square root of 22214345 is about 4713.2096282682. The cubic root of 22214345 is about 281.1109983086.

Adding to 22214345 its reverse (54341222), we get a palindrome (76555567).

The spelling of 22214345 in words is "twenty-two million, two hundred fourteen thousand, three hundred forty-five".