22712345 has 8 divisors (see below), whose sum is σ = 27717120. Its totient is φ = 17861680.

The previous prime is 22712341. The next prime is 22712351. The reversal of 22712345 is 54321722.

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

It is not a de Polignac number, because 22712345 - 2² = 22712341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22712341) 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, 38201 + ... + 38790.

It is an arithmetic number, because the mean of its divisors is an integer number (3464640).

Almost surely, 2^22712345 is an apocalyptic number.

It is an amenable number.

22712345 is a deficient number, since it is larger than the sum of its proper divisors (5004775).

22712345 is an equidigital number, since it uses as much as digits as its factorization.

22712345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77055.

The product of its digits is 3360, while the sum is 26.

The square root of 22712345 is about 4765.7470558140. The cubic root of 22712345 is about 283.1961373453.

The spelling of 22712345 in words is "twenty-two million, seven hundred twelve thousand, three hundred forty-five".