22275493 has 2 divisors, whose sum is σ = 22275494. Its totient is φ = 22275492.

The previous prime is 22275437. The next prime is 22275503. The reversal of 22275493 is 39457222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18122049 + 4153444 = 4257^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 22275493 - 2²¹ = 20178341 is a prime.

It is a super-4 number, since 4×22275493⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22275403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137746 + 11137747.

It is an arithmetic number, because the mean of its divisors is an integer number (11137747).

Almost surely, 2^22275493 is an apocalyptic number.

It is an amenable number.

22275493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22275493 is an equidigital number, since it uses as much as digits as its factorization.

22275493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 22275493 is about 4719.6920450385. The cubic root of 22275493 is about 281.3686940659.

The spelling of 22275493 in words is "twenty-two million, two hundred seventy-five thousand, four hundred ninety-three".