22472307 has 48 divisors (see below), whose sum is σ = 40185600. Its totient is φ = 11897280.

The previous prime is 22472291. The next prime is 22472309. The reversal of 22472307 is 70327422.

It is not a de Polignac number, because 22472307 - 2⁴ = 22472291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22472309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23994 + ... + 24912.

It is an arithmetic number, because the mean of its divisors is an integer number (837200).

Almost surely, 2^22472307 is an apocalyptic number.

22472307 is a deficient number, since it is larger than the sum of its proper divisors (17713293).

22472307 is a wasteful number, since it uses less digits than its factorization.

22472307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22472307 is about 4740.4964929847. The cubic root of 22472307 is about 282.1949383992.

Adding to 22472307 its reverse (70327422), we get a palindrome (92799729).

It can be divided in two parts, 2247 and 2307, that added together give a palindrome (4554).

The spelling of 22472307 in words is "twenty-two million, four hundred seventy-two thousand, three hundred seven".