22052273 has 4 divisors (see below), whose sum is σ = 22062948. Its totient is φ = 22041600.

The previous prime is 22052237. The next prime is 22052299. The reversal of 22052273 is 37225022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37225022 = 2 ⋅18612511.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 17247409 = 2192^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052273 - 2¹² = 22048177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22052473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (5515737).

Almost surely, 2^22052273 is an apocalyptic number.

It is an amenable number.

22052273 is a deficient number, since it is larger than the sum of its proper divisors (10675).

22052273 is an equidigital number, since it uses as much as digits as its factorization.

22052273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22052273 is about 4695.9847742513. The cubic root of 22052273 is about 280.4256832891.

Adding to 22052273 its reverse (37225022), we get a palindrome (59277295).

The spelling of 22052273 in words is "twenty-two million, fifty-two thousand, two hundred seventy-three".