22704769 has 4 divisors (see below), whose sum is σ = 22857300. Its totient is φ = 22552240.

The previous prime is 22704757. The next prime is 22704779. The reversal of 22704769 is 96740722.

It is a happy number.

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 4326400 + 18378369 = 2080^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 22704769 - 2⁹ = 22704257 is a prime.

It is a super-2 number, since 2×22704769² = 1031013070686722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22704719) 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, 76042 + ... + 76339.

It is an arithmetic number, because the mean of its divisors is an integer number (5714325).

Almost surely, 2^22704769 is an apocalyptic number.

It is an amenable number.

22704769 is a deficient number, since it is larger than the sum of its proper divisors (152531).

22704769 is a wasteful number, since it uses less digits than its factorization.

22704769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152530.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 22704769 is about 4764.9521508615. The cubic root of 22704769 is about 283.1646459173.

The spelling of 22704769 in words is "twenty-two million, seven hundred four thousand, seven hundred sixty-nine".