22808007 has 16 divisors (see below), whose sum is σ = 34956000. Its totient is φ = 14680512.

The previous prime is 22808003. The next prime is 22808029. The reversal of 22808007 is 70080822.

It is not a de Polignac number, because 22808007 - 2² = 22808003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22808003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13782 + ... + 15347.

It is an arithmetic number, because the mean of its divisors is an integer number (2184750).

Almost surely, 2^22808007 is an apocalyptic number.

22808007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22808007 is a deficient number, since it is larger than the sum of its proper divisors (12147993).

22808007 is a wasteful number, since it uses less digits than its factorization.

22808007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29167 (or 29161 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 22808007 is about 4775.7729217374. The cubic root of 22808007 is about 283.5931778487.

Adding to 22808007 its reverse (70080822), we get a palindrome (92888829).

The spelling of 22808007 in words is "twenty-two million, eight hundred eight thousand, seven".