22566770 has 8 divisors (see below), whose sum is σ = 40620204. Its totient is φ = 9026704.

The previous prime is 22566763. The next prime is 22566773. The reversal of 22566770 is 7766522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22534009 + 32761 = 4747^2 + 181^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22566770.

It is not an unprimeable number, because it can be changed into a prime (22566773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128329 + ... + 1128348.

Almost surely, 2^22566770 is an apocalyptic number.

22566770 is a deficient number, since it is larger than the sum of its proper divisors (18053434).

22566770 is a wasteful number, since it uses less digits than its factorization.

22566770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256684.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 22566770 is about 4750.4494524203. The cubic root of 22566770 is about 282.5897905508.

The spelling of 22566770 in words is "twenty-two million, five hundred sixty-six thousand, seven hundred seventy".