22207345 has 8 divisors (see below), whose sum is σ = 26676864. Its totient is φ = 17747184.

The previous prime is 22207343. The next prime is 22207357. The reversal of 22207345 is 54370222.

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

It is a cyclic number.

It is not a de Polignac number, because 22207345 - 2¹ = 22207343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22207343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4962 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (3334608).

Almost surely, 2^22207345 is an apocalyptic number.

It is an amenable number.

22207345 is a deficient number, since it is larger than the sum of its proper divisors (4469519).

22207345 is a wasteful number, since it uses less digits than its factorization.

22207345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22207345 is about 4712.4669760116. The cubic root of 22207345 is about 281.0814680852.

Adding to 22207345 its reverse (54370222), we get a palindrome (76577567).

The spelling of 22207345 in words is "twenty-two million, two hundred seven thousand, three hundred forty-five".