22569730 has 8 divisors (see below), whose sum is σ = 40625532. Its totient is φ = 9027888.

The previous prime is 22569713. The next prime is 22569731. The reversal of 22569730 is 3796522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22534009 + 35721 = 4747^2 + 189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22569731) 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, 1128477 + ... + 1128496.

Almost surely, 2^22569730 is an apocalyptic number.

22569730 is a deficient number, since it is larger than the sum of its proper divisors (18055802).

22569730 is a wasteful number, since it uses less digits than its factorization.

22569730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256980.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 22569730 is about 4750.7609916728. The cubic root of 22569730 is about 282.6021454309.

The spelling of 22569730 in words is "twenty-two million, five hundred sixty-nine thousand, seven hundred thirty".