22236273 has 6 divisors (see below), whose sum is σ = 32119074. Its totient is φ = 14824176.

The previous prime is 22236259. The next prime is 22236283. The reversal of 22236273 is 37263222.

It can be written as a sum of positive squares in only one way, i.e., 21095649 + 1140624 = 4593^2 + 1068^2 .

It is not a de Polignac number, because 22236273 - 2⁴ = 22236257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22236233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1235340 + ... + 1235357.

It is an arithmetic number, because the mean of its divisors is an integer number (5353179).

Almost surely, 2^22236273 is an apocalyptic number.

It is an amenable number.

22236273 is a deficient number, since it is larger than the sum of its proper divisors (9882801).

22236273 is a wasteful number, since it uses less digits than its factorization.

22236273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470703 (or 2470700 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 22236273 is about 4715.5352824467. The cubic root of 22236273 is about 281.2034637078.

Adding to 22236273 its reverse (37263222), we get a palindrome (59499495).

The spelling of 22236273 in words is "twenty-two million, two hundred thirty-six thousand, two hundred seventy-three".