22807973 has 4 divisors (see below), whose sum is σ = 23799648. Its totient is φ = 21816300.

The previous prime is 22807957. The next prime is 22808003. The reversal of 22807973 is 37970822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22807973 - 2⁴ = 22807957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22807913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495803 + ... + 495848.

It is an arithmetic number, because the mean of its divisors is an integer number (5949912).

Almost surely, 2^22807973 is an apocalyptic number.

22807973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22807973 is a deficient number, since it is larger than the sum of its proper divisors (991675).

22807973 is an equidigital number, since it uses as much as digits as its factorization.

22807973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991674.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 22807973 is about 4775.7693621028. The cubic root of 22807973 is about 283.5930369308.

The spelling of 22807973 in words is "twenty-two million, eight hundred seven thousand, nine hundred seventy-three".