22065230 has 32 divisors (see below), whose sum is σ = 44828640. Its totient is φ = 7745920.

The previous prime is 22065223. The next prime is 22065293. The reversal of 22065230 is 3256022.

It is a happy number.

It is a Curzon number.

It is a congruent 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, 269 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (1400895).

Almost surely, 2^22065230 is an apocalyptic number.

22065230 is an abundant number, since it is smaller than the sum of its proper divisors (22763410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22065230 is a wasteful number, since it uses less digits than its factorization.

22065230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22065230 is about 4697.3641545020. The cubic root of 22065230 is about 280.4805946987.

The spelling of 22065230 in words is "twenty-two million, sixty-five thousand, two hundred thirty".