22669805 has 4 divisors (see below), whose sum is σ = 27203772. Its totient is φ = 18135840.

The previous prime is 22669799. The next prime is 22669807. The reversal of 22669805 is 50896622.

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 4937284 + 17732521 = 2222^2 + 4211^2 .

It is not a de Polignac number, because 22669805 - 2⁶ = 22669741 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 (22669807) 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, 2266976 + ... + 2266985.

It is an arithmetic number, because the mean of its divisors is an integer number (6800943).

Almost surely, 2^22669805 is an apocalyptic number.

It is an amenable number.

22669805 is a deficient number, since it is larger than the sum of its proper divisors (4533967).

22669805 is an equidigital number, since it uses as much as digits as its factorization.

22669805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533966.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 22669805 is about 4761.2818652124. The cubic root of 22669805 is about 283.0192189789.

The spelling of 22669805 in words is "twenty-two million, six hundred sixty-nine thousand, eight hundred five".