22266775 has 6 divisors (see below), whose sum is σ = 27610832. Its totient is φ = 17813400.

The previous prime is 22266757. The next prime is 22266781. The reversal of 22266775 is 57766222.

It is not a de Polignac number, because 22266775 - 2⁵ = 22266743 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 445311 + ... + 445360.

Almost surely, 2^22266775 is an apocalyptic number.

22266775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22266775 is a deficient number, since it is larger than the sum of its proper divisors (5344057).

22266775 is an equidigital number, since it uses as much as digits as its factorization.

22266775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890681 (or 890676 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 22266775 is about 4718.7683774477. The cubic root of 22266775 is about 281.3319826846.

The spelling of 22266775 in words is "twenty-two million, two hundred sixty-six thousand, seven hundred seventy-five".