22800709 has 4 divisors (see below), whose sum is σ = 22885740. Its totient is φ = 22715680.

The previous prime is 22800697. The next prime is 22800719. The reversal of 22800709 is 90700822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4284900 + 18515809 = 2070^2 + 4303^2 .

It is a cyclic number.

It is not a de Polignac number, because 22800709 - 2¹⁹ = 22276421 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 (22800719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42112 + ... + 42649.

It is an arithmetic number, because the mean of its divisors is an integer number (5721435).

Almost surely, 2^22800709 is an apocalyptic number.

It is an amenable number.

22800709 is a deficient number, since it is larger than the sum of its proper divisors (85031).

22800709 is an equidigital number, since it uses as much as digits as its factorization.

22800709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85030.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 22800709 is about 4775.0087958034. The cubic root of 22800709 is about 283.5629270133.

The spelling of 22800709 in words is "twenty-two million, eight hundred thousand, seven hundred nine".