22230775 has 12 divisors (see below), whose sum is σ = 31504432. Its totient is φ = 15243840.

The previous prime is 22230737. The next prime is 22230823. The reversal of 22230775 is 57703222.

It is not a de Polignac number, because 22230775 - 2¹³ = 22222583 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63342 + ... + 63691.

Almost surely, 2^22230775 is an apocalyptic number.

22230775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22230775 is a deficient number, since it is larger than the sum of its proper divisors (9273657).

22230775 is a wasteful number, since it uses less digits than its factorization.

22230775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127050 (or 127045 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 22230775 is about 4714.9522797161. The cubic root of 22230775 is about 281.1802856017.

Adding to 22230775 its reverse (57703222), we get a palindrome (79933997).

It can be divided in two parts, 22230 and 775, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22230775 in words is "twenty-two million, two hundred thirty thousand, seven hundred seventy-five".