22528346 has 8 divisors (see below), whose sum is σ = 33979764. Its totient is φ = 11201760.

The previous prime is 22528321. The next prime is 22528361. The reversal of 22528346 is 64382522.

It can be written as a sum of positive squares in 2 ways, for example, as 22458121 + 70225 = 4739^2 + 265^2 .

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

It is a zygodrome in base 4.

It is an unprimeable number.

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, 30755 + ... + 31478.

Almost surely, 2^22528346 is an apocalyptic number.

22528346 is a deficient number, since it is larger than the sum of its proper divisors (11451418).

22528346 is a wasteful number, since it uses less digits than its factorization.

22528346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62416.

The product of its digits is 23040, while the sum is 32.

The square root of 22528346 is about 4746.4034805313. The cubic root of 22528346 is about 282.4293127237.

The spelling of 22528346 in words is "twenty-two million, five hundred twenty-eight thousand, three hundred forty-six".