22530185 has 16 divisors (see below), whose sum is σ = 28741392. Its totient is φ = 16896000.

The previous prime is 22530163. The next prime is 22530199. The reversal of 22530185 is 58103522.

It can be written as a sum of positive squares in 8 ways, for example, as 6697744 + 15832441 = 2588^2 + 3979^2 .

It is not a de Polignac number, because 22530185 - 2¹² = 22526089 is a prime.

It is a super-2 number, since 2×22530185² = 1015218472268450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33755 + ... + 34415.

It is an arithmetic number, because the mean of its divisors is an integer number (1796337).

Almost surely, 2^22530185 is an apocalyptic number.

It is an amenable number.

22530185 is a deficient number, since it is larger than the sum of its proper divisors (6211207).

22530185 is a wasteful number, since it uses less digits than its factorization.

22530185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 22530185 is about 4746.5972022071. The cubic root of 22530185 is about 282.4369974626.

The spelling of 22530185 in words is "twenty-two million, five hundred thirty thousand, one hundred eighty-five".