22007345 has 8 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 17470960.

The previous prime is 22007329. The next prime is 22007347. The reversal of 22007345 is 54370022.

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

It is not a de Polignac number, because 22007345 - 2⁴ = 22007329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22007345.

It is not an unprimeable number, because it can be changed into a prime (22007347) 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, 16145 + ... + 17454.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^22007345 is an apocalyptic number.

It is an amenable number.

22007345 is a deficient number, since it is larger than the sum of its proper divisors (4603855).

22007345 is a wasteful number, since it uses less digits than its factorization.

22007345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33735.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22007345 is about 4691.1986741130. The cubic root of 22007345 is about 280.2351128972.

Adding to 22007345 its reverse (54370022), we get a palindrome (76377367).

The spelling of 22007345 in words is "twenty-two million, seven thousand, three hundred forty-five".