22305345 has 16 divisors (see below), whose sum is σ = 36044352. Its totient is φ = 11777600.

The previous prime is 22305329. The next prime is 22305397. The reversal of 22305345 is 54350322.

It is not a de Polignac number, because 22305345 - 2⁴ = 22305329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5847 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (2252772).

Almost surely, 2^22305345 is an apocalyptic number.

It is an amenable number.

22305345 is a deficient number, since it is larger than the sum of its proper divisors (13739007).

22305345 is a wasteful number, since it uses less digits than its factorization.

22305345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 22305345 is about 4722.8534806830. The cubic root of 22305345 is about 281.4943279325.

Adding to 22305345 its reverse (54350322), we get a palindrome (76655667).

The spelling of 22305345 in words is "twenty-two million, three hundred five thousand, three hundred forty-five".